| Keuffel and Esser |
| Description | Price | Date | Bids |
Prices of slide rules sold on ebay (the internet auction) in May-2007 |
| K&E Cox Duplex Slide Rule Pat.1891 | $1325.00 | 13-May-2007 | 26 |
| K & E Co NY Pat 1900 Ivory/Wood Slide Rule & C | $333.92 | 11-May-2007 | 12 |
| "K&E 68 1200 LOG LOG DUPLEX DECITRIG SLIDE RUL | $305.00 | 01-May-2007 | 6 |
| K&E Webb's Stadia slide rule - very unusual! | $276.71 | 20-May-2007 | 9 |
| K & E~ K&E~ KEUFFEL & ESSER 68-1200 SLIDE RULE | $202.50 | 01-May-2007 | 14 |
| Rare 4053-3F K&E Mannheim Slide Rule | $186.19 | 13-May-2007 | 10 |
| "Keuffel & Esser Deci-lon 6"" Folded Slide Rul | $185.00 | 18-May-2007 | 1 |
| Keuffel & Esser Chemistry Chemical Engineer Sl | $162.50 | 14-May-2007 | 14 |
| Early K+E Mannheim Desk SLIDE RULE w/ Glass/Fe | $157.86 | 08-May-2007 | 6 |
| "Keuffel & Esser Slide Rule # 4081-5, 20"" Lon | $151.48 | 31-May-2007 | 10 |
| "K&E SLIDE RULE LOG LOG 22-1/4IN LG, 4081-5 LE | $147.27 | 20-May-2007 | 17 |
| "12.75"" OLD & NEW K&E 68-1100 DECILON SLIDE R | $121.00 | 31-May-2007 | 7 |
| KEUFFEL & ESSER DECI-LON SLIDE RULE BOX BOOK C | $109.49 | 13-May-2007 | 7 |
| K & E Deci-Lon No. 68 1100 Slide Rule 1947/196 | $109.49 | 27-May-2007 | 10 |
| VINTAGE COOKE RADIO SLIDE RULE! KEUFFEL & ESSE | $106.00 | 13-May-2007 | 12 |
| K&E Keuffel & Esser N4080-5 Log Log Slide Rule | $103.48 | 01-May-2007 | 7 |
| K&E decilon slide rule with leather case NIB | $102.50 | 27-May-2007 | 15 |
| K+E Deci-Lon 10 #68-1100 slide rule w/case + e | $92.30 | 18-May-2007 | 3 |
| K&E twenty inch Log Log Duplex slide rule | $82.25 | 20-May-2007 | 8 |
| OLD slide rule Keuffel and Esser co. New York | $81.00 | 09-May-2007 | 5 |
| KEUFFEL AND ESSER MODEL 4181-1 SLIDE RULE WITH | $80.99 | 02-May-2007 | 17 |
| "Keuffel & Esser 681550 Slide Rule Set + manua | $80.00 | 16-May-2007 | 1 |
| K&E 4081-35 Slide Rule in Box with all papers- | $78.77 | 22-May-2007 | 7 |
| Scarce 8-inch K&E Mannheim Slide Rule | $78.69 | 13-May-2007 | 11 |
| Keuffel & Esser Co. Deci-Lon Sliderule with Ca | $76.76 | 10-May-2007 | 7 |
| 1961 Keuffel & Esser K+E Deci-lon Slide Rule N | $76.02 | 13-May-2007 | 8 |
| "OLD Keuffel & Esser 22"" Slide Rule N 4092-5 | $76.00 | 06-May-2007 | 7 |
| "K&E University of Wash, College of Engineer. | $75.00 | 31-May-2007 | 1 |
| "VINTAGE K & E SLIDE RULE 7"" WITH POCKET CASE | $75.00 | 28-May-2007 | 11 |
| 2 K&E POLYPHASE SLIDE RULE W/ MANUAL 20 INCH | $69.99 | 16-May-2007 | 1 |
| Vintage large K & E slide rule 4081-5 | $69.68 | 21-May-2007 | 14 |
| VINTAGE SLIDE RULE W/ CASE KEUFFEL & ESSER CO. | $68.89 | 01-May-2007 | 3 |
| K&E DECI-LON SLIDE RULE 68 1100 | $67.99 | 08-May-2007 | 11 |
| Keuffel & Esser K+E Deci-lon Slide Rule No 68 | $67.99 | 31-May-2007 | 9 |
| Keuffel & Esser No.8858 slide rule loaned on d | $67.66 | 22-May-2007 | 6 |
| K and E 1947 Slide Rule N4081-3 | $67.10 | 15-May-2007 | 5 |
| Vintage Drafting Engineering Slide Rules Keuff | $66.00 | 27-May-2007 | 13 |
| KEUFFEL & ESSER DECI-LON SLIDE RULE --MINT!!! | $66.00 | 31-May-2007 | 9 |
| K&E 4082-3 Slide rule | $64.69 | 31-May-2007 | 4 |
| 1961 K & E Slide Rule 10 Deci Lon Keuffel & Es | $63.00 | 22-May-2007 | 18 |
| Vintage Unopened K & E Slide Rule With Manual | $61.03 | 11-May-2007 | 10 |
| K&E SLIDE RULE WITH CASE - NO. 68 1100 - VINTA | $61.00 | 02-May-2007 | 9 |
| Keuffel & Esser Decilon 10 Slide Rule w/ Leath | $60.00 | 10-May-2007 | 11 |
| Vintage Slide Rule + Case Keuffel & Esser Pat | $60.00 | 20-May-2007 | 1 |
| Deci-Lon K&E Slide Rule W/Case Excellent Condi | $57.99 | 26-May-2007 | 7 |
| K&E DECI-LON SLIDE RULE In LEATHER CASE - EXCE | $57.99 | 28-May-2007 | 6 |
| DECI-LON Slide Rule K & E 68-1100 with Case VE | $56.55 | 12-May-2007 | 5 |
| K&E 4092-3 slide rule & Lawrence Eng. 10-B stu | $56.00 | 29-May-2007 | 3 |
| Vintage K&E Slide Rule 4083-3 Log Log Duplex V | $55.00 | 24-May-2007 | 9 |
| K & E Pocket Slide Rule 4181-1/Box/Book/Aircra | $54.50 | 31-May-2007 | 10 |
| "K&E Keuffel & Esser 4051 Slide Rule pat. June | $54.00 | 01-May-2007 | 7 |
| Keuffel & Esser Deci-lon Slide Rule | $53.25 | 16-May-2007 | 5 |
| Keuffel & Esser K&E Slide Rule 4181-1 or 68-12 | $52.99 | 27-May-2007 | 9 |
| K & E LOG LOG DUPLEX DICITRIG SLIDE RULE MODEL | $52.00 | 31-May-2007 | 4 |
| VINTAGE K-E KEUFFEL&ESSER 4080-3S SLIDE RULE M | $51.97 | 06-May-2007 | 7 |
| KEUFFEL**4065 T** Polyphase Slide Rule W/Case | $51.89 | 20-May-2007 | 6 |
| K&E 4081-35 Slide Rule in Box with all papers- | $51.00 | 01-May-2007 | 5 |
| K&E DECI-LON slide rule | $51.00 | 13-May-2007 | 3 |
| "1947 KUEFFEL & ESSER SLIDE RULE,HENSHEL GERMA | $51.00 | 19-May-2007 | 6 |
| Keuffel & Esser K&E 68 1210 Slide Rule w/ Leat | $47.80 | 06-May-2007 | 4 |
| LARGE DRAFTING SLIDE RULE & MORE LOT K&E PICKE | $47.50 | 16-May-2007 | 10 |
| K+E Professional Slide Rule with Case | $47.00 | 15-May-2007 | 8 |
| 20 inch Keuffel & Esser Slide Rule K&E 681608 | $46.25 | 20-May-2007 | 7 |
| Slide Rule Slidedisk Emil Tröger Circular Slid | $46.00 | 15-May-2007 | 7 |
| Vintage K&E 68 1100 Deci-Lon Slide Rule W/ Lea | $45.00 | 14-May-2007 | 8 |
| Keuffel & Esser K&E 68-1100 Deci-Lon slide rul | $45.00 | 13-May-2007 | 5 |
| "VINTAGE K-E KEUFFEL & ESSER 20 1/2"" SLIDE RU | $43.15 | 10-May-2007 | 8 |
| "KEUFFEL & ESSER 4031 Vintage slide rule june | $42.59 | 20-May-2007 | 1 |
| "Keuffel & Esser 20"" Slide Rule 4080-5/Case/B | $42.42 | 06-May-2007 | 9 |
| "VINTAGE & RARE K&E 20"" LONG SLIDE RULE - EXC | $42.00 | 26-May-2007 | 2 |
| Keuffel & Esser K&E log log duplex vector slid | $41.00 | 16-May-2007 | 9 |
| Deci-Lon Slide Rule Leather Case Keuffel & Ess | $41.00 | 19-May-2007 | 5 |
| K & E 6 inch Doric Slide Rule and Leather Case | $40.00 | 10-May-2007 | 5 |
| VINTAGE K & E SLIDE RULE W/CASE 4081-3 LOG LOG | $38.03 | 21-May-2007 | 9 |
| "Slide Rule, 7"", Keuffel & Esser" | $38.02 | 09-May-2007 | 13 |
| Keuffel & Esser Log Log Duplex Decitrig Slide | $37.50 | 26-May-2007 | 4 |
| KEUFFEL & ESSER CO. 4181-1 SLIDE RULE | $36.05 | 06-May-2007 | 12 |
| K&E Military Slide Rule Artillery U.S. WW II K | $36.00 | 30-May-2007 | 9 |
| Unique Keuffel & Esser School Slide Rule Cours | $35.00 | 20-May-2007 | 3 |
| "K&E 10"" Slide Rule Model 4081-3 (1947) w/Ori | $35.00 | 16-May-2007 | 1 |
| "K&E 10"" Slide Rule 4081-3 (Earlist Model) w/ | $35.00 | 22-May-2007 | 1 |
| "Vintage Keuffel & Esser 4181-1 Slide Rule, Co | $35.00 | 01-May-2007 | 10 |
| 1947 Slide Rule Keuffel Esser W/ Case K & E | $34.00 | 25-May-2007 | 4 |
| "Keuffel & Esser Slide Rule Model 4081-3, Leat | $31.95 | 26-May-2007 | 2 |
| "1947 Keuffel & Esser 10"" Slide Rule 4181-3 W | $31.55 | 26-May-2007 | 7 |
| Keuffel & Esser Co. Slide Rule Mint Cond. Vint | $31.00 | 02-May-2007 | 6 |
| "Keuffel & Esser K&E Slide Rule 4081-3, case, | $31.00 | 27-May-2007 | 5 |
| Vintage (pre 1922) 20 inch K&E Slide Rule mode | $31.00 | 06-May-2007 | 2 |
| Keuffel & Esser Ivoritie Slide Rule | $31.00 | 01-May-2007 | 10 |
| "Keuffel & Esser Deci-lon slide rule manual, h | $31.00 | 15-May-2007 | 8 |
| "20"" K&E Keuffel & Esser SLIDE RULE NO N4053- | $31.00 | 07-May-2007 | 4 |
| KEUFFEL & ESSER 820 SLIDE RULE | $31.00 | 31-May-2007 | 7 |
| "Keuffel Esser 1924 Slide Rule 4092-3 w case, | $30.75 | 03-May-2007 | 11 |
| "Slide Rule K&E No. 4081, Sliderule, Keuffel & | $30.17 | 03-May-2007 | 6 |
| KEUFFEL & ESSER K&E 4181-1 SLIDE RULE | $30.05 | 08-May-2007 | 3 |
| "K&E 10"" Slide Rule Model 4181-3 (1947) w/Ori | $30.00 | 15-May-2007 | 1 |
| Keuffel & Esser 4801-3 Fisher slide rule lot o | $29.99 | 14-May-2007 | 9 |
| K&E LOG LOG DUPLEX DECITRIG SLIDE RULE 4081-3 | $29.50 | 04-May-2007 | 5 |
| Keuffel & Esser K&E Slide Rule 4088-3 Pat 1900 | $29.00 | 14-May-2007 | 4 |
| "Keuffel & Esser Doric # 9066 6"" Slide Rule" | $29.00 | 25-May-2007 | 4 |
| Vintage K & E 20 in. Polyphase Slide Rule | $28.65 | 07-May-2007 | 3 |
| 1947 Vintage Keuffel & Esser SLIDE RULE N4081- | $27.95 | 06-May-2007 | 6 |
| "SLIDE RULES-3-Cases-BRUNING-K&E, Johoda-OLD-N | $27.89 | 10-May-2007 | 6 |
| K & R KEUFFEL & ESSER Slide Rule 20 N4053-5 Ca | $26.99 | 20-May-2007 | 1 |
| "K & E Slide Rule, Case & Manual No. 4081 NICE | $26.22 | 14-May-2007 | 6 |
| "K & E, Frederick Post & Dietzgen Maniphase Sl | $26.00 | 23-May-2007 | 6 |
| Vintage Keuffel Esser Slide Rule 4081-3 W/Case | $26.00 | 14-May-2007 | 8 |
| Vintage K-E Keuffel & Esser Slide Rule 4181 Gr | $26.00 | 22-May-2007 | 1 |
| Keuffel & Esser 4081-3 Log Duplex Decitrig Sli | $26.00 | 12-May-2007 | 6 |
| VINTAGE K+E SLIDE RULE+HARD COVER NOOK+CASE-GR | $26.00 | 20-May-2007 | 7 |
| "Vintage slide rule by Keuffel & Esser. Very, | $26.00 | 26-May-2007 | 10 |
| "VINTAGE K&E 68-1617 SLIDE RULE ,CASE,BOX&BOOK | $26.00 | 31-May-2007 | 4 |
| Vintage K & E Slide Rule Keuffel & Esser Co. w | $26.00 | 02-May-2007 | 2 |
| Lot of 2 vintage slide rules K&E and F. Post + | $25.99 | 20-May-2007 | 8 |
| K&E LOG LOG DUPLEX DECITRIG SLIDE RULE W/CASE | $25.40 | 26-May-2007 | 11 |
| Keuffel & Esser Log Log Duplex Decitrig Slide | $25.01 | 01-May-2007 | 9 |
| vintage slide rule by KEUFFEL & ESSER CO NY # | $25.00 | 13-May-2007 | 6 |
| Vintage K&E 4083-3 Log Log Duplex Vector Slide | $24.99 | 09-May-2007 | 1 |
| EXTRA CLEAN VINTAGE K & E K&E SLIDE RULE IN GR | $24.99 | 12-May-2007 | 1 |
| KEUFFEL & ESSER SLIDE RULER #4081-3 W/ BRN. LE | $23.69 | 27-May-2007 | 2 |
| "Vintage Keuffel & Esser, Cooke Radio Slide Ru | $22.77 | 03-May-2007 | 5 |
| "Keuffel & Esser 6"" slide rule # 4161-1" | $22.48 | 25-May-2007 | 3 |
| "Vintage Keuffel & Esser Slide Rule W/Case , B | $22.26 | 16-May-2007 | 8 |
| K&E Keuffel & Esser GP 12 Slide Rule 1964 ORIG | $21.50 | 01-May-2007 | 3 |
| K&E Log Duplex Decitrig Slide Rule 68 1220 Old | $21.50 | 10-May-2007 | 7 |
| 1954 KEUFFEL ESSER SLIDE RULE CATALOG+7X LENS | $21.27 | 13-May-2007 | 1 |
| "3 SLIDERULE- K&E, ROUND, AND CHEMSTRAND FROM | $21.19 | 06-May-2007 | 6 |
| KEUFFEL & ESSER (4053-3) SLIDE RULE WITH LEATH | $20.50 | 30-May-2007 | 10 |
| 1900 KEUFFEL & ESSER OAK SLIDE RULE W/CASE 405 | $20.50 | 03-May-2007 | 10 |
| Vintage 1st ED. K&E K & E Slide Rule Calculato | $20.50 | 29-May-2007 | 5 |
| OLD SLIDE RULE KEUFFEL & ESSER CO. | $20.50 | 13-May-2007 | 2 |
| Keuffel & Esser Log Duplex Decitrig Slide Rule | $20.50 | 13-May-2007 | 5 |
| K&E Pocket Slide Rule 4150-1 | $20.00 | 01-May-2007 | 1 |
| "Keuffel & Esser, K&E, 4181-3 Slide Rule in Ca | $20.00 | 01-May-2007 | 2 |
| KUEFFEL AND ESSER SLIDE RULE WITH CASE MODEL N | $20.00 | 03-May-2007 | 9 |
| Vintage Keuffel & Esser K E Slide Rule 4081-3 | $19.99 | 20-May-2007 | 1 |
| K & E Slide Rule 4181-3 w/ case | $19.95 | 29-May-2007 | 1 |
| KEUFFEL & ESSER CO 4181-3 SLIDE RULE W LEATHER | $18.50 | 02-May-2007 | 6 |
| K&E Keuffel Pocket Slide Rule 4150-1 Box Instr | $18.29 | 07-May-2007 | 3 |
| Keuffel & Esser K&E Vintage N4083-3 Log Log Sl | $18.00 | 03-May-2007 | 8 |
| 2 KEUFFEL ESSER CO. VINTAGE SLIDE RULES IN CAS | $17.50 | 10-May-2007 | 8 |
| KEUFFER & ESSER CO. SLIDE RULE IN LEATHER CASE | $17.49 | 31-May-2007 | 3 |
| "Old Keuffel & Esser Co. Mannheim Slide Rule, | $17.39 | 22-May-2007 | 3 |
| Keuffel & Esser K & E Slide Rule 4081-3 Log Lo | $16.99 | 01-May-2007 | 8 |
| SLIDE RULE -Keuffel & Besser -double sided -48 | $16.29 | 12-May-2007 | 5 |
| "3 Vintage Slide Rules - K&E, POST, LAWRENCE E | $15.55 | 02-May-2007 | 2 |
| VINTAGE KEUFFEL & ESSER SLIDE RULE WITH CASE # | $15.50 | 09-May-2007 | 6 |
| Keuffel & Esser DECI-LON SLIDE RULE Manual HC | $15.50 | 27-May-2007 | 6 |
| Vintage Keuffel & Esser 4092-3 KE K&E Slide Ru | $15.50 | 06-May-2007 | 4 |
| 30's Keuffel & Esser Slide Rule Bamboo & Oak # | $15.50 | 31-May-2007 | 4 |
| "Keuffel & Esser #4161 Slide Rule, Box, Manual | $15.50 | 31-May-2007 | 4 |
| VINTAGE K & E SLIDE RULE W/CASE 4081-3 LOG LOG | $15.50 | 13-May-2007 | 2 |
| Keuffel & Esser CO K-12 Prep Slide Rule w/manu | $15.48 | 31-May-2007 | 2 |
| ESTATE STUFF - OLD 1928 SLIDE RULE KEUFFEL & E | $15.45 | 01-May-2007 | 6 |
| Vintage K+E Log Log Decitrig Slide Rule w/ Boo | $15.00 | 04-May-2007 | 6 |
| K&E KEUFFEL & ESSER SLIDE RULE #68 1892 WITH C | $15.00 | 21-May-2007 | 5 |
| K & E 4081-3 Log Log Duplex Decitrig Slide Rul | $15.00 | 30-May-2007 | 6 |
| K & E Slide Rule Man. Log Log Duplex Decitrig | $15.00 | 30-May-2007 | 2 |
| K & E Slide Rule No. 4058W with Case | $15.00 | 13-May-2007 | 1 |
| "Keuffel & Esser 10"" Slide Rule 4092-2/Case,P | $14.99 | 06-May-2007 | 1 |
| KE Keuffel Esser Vintage Conversion Slide Rule | $14.97 | 07-May-2007 | 2 |
| "Vintage Keuffel and Esser SLIDE RULE, Copyrig | $14.92 | 11-May-2007 | 5 |
| KEUFFEL & ESSER SLIDE RULE MODEL NO 4081-3 | $14.50 | 03-May-2007 | 4 |
| KEUFFEL & ESSER CO. DECITRIG SLIDE RULE & CASE | $14.50 | 05-May-2007 | 3 |
| K&E SLIDE RULES A DETAILED SELF INSTRUCTION MA | $14.39 | 20-May-2007 | 5 |
| Keuffel and Esser 4083-3 log duplex vector sli | $14.31 | 21-May-2007 | 3 |
| 2 Antique Slide Rules With Cases Keuffel Lawre | $13.49 | 22-May-2007 | 7 |
| "K & E 10"" Polyphase Slide rule" | $13.48 | 04-May-2007 | 5 |
| "VINTAGE K&E KEUFFEL ESSER 6"" POCKET SLIDE RU | $13.03 | 06-May-2007 | 4 |
| US PATENT for K&E SLIDERULE 1913 slide rule Ke | $12.99 | 27-May-2007 | 1 |
| US PATENT for K&E SLIDERULE 1913 slide rule Ke | $12.99 | 20-May-2007 | 1 |
| US PATENT for K&E SLIDERULE 1913 slide rule Ke | $12.99 | 06-May-2007 | 1 |
| Keuffel & Esser Slide Rule Polyphase Duplex No | $12.99 | 05-May-2007 | 1 |
| US PATENT for K&E SLIDERULE 1913 slide rule Ke | $12.99 | 13-May-2007 | 1 |
| US PATENT for K&E SLIDERULE 1913 slide rule Ke | $12.99 | 28-May-2007 | 1 |
| ANTIQUE KEUFFELD & ESSER SLIDE RULE ( 6/5/1900 | $12.50 | 10-May-2007 | 2 |
| VINTAGE KEUFFEL & ESSER 4080-3 SLIDE RULE & CA | $12.50 | 24-May-2007 | 5 |
| Keuffel & Esser K&E Polyphase Slide Rule w Box | $12.50 | 27-May-2007 | 2 |
| SLIDE RULE - K&E - Log Log Duplex Trig #4080 w | $12.49 | 13-May-2007 | 2 |
| Vintage Keuffel & Esser Slide Rule 4081-3 With | $12.00 | 07-May-2007 | 3 |
| 1947 VINTAGE K+E KEUFFEL & ESSER CO SLIDE RULE | $12.00 | 08-May-2007 | 3 |
| Antique Keuffel & Esser Mannheim Slide Rule Bo | $11.50 | 14-May-2007 | 3 |
| 1962 K&E SLIDE RULE MANUAL | $11.39 | 31-May-2007 | 5 |
| Slide Rule Keuffel & Esser Co. No. 4058 NEW | $11.39 | 27-May-2007 | 5 |
| vintage slide rule/Keuffel&Esser co/1900 | $11.09 | 11-May-2007 | 4 |
| 1949 Keuffel & Esser Catalog Drafting Slide Ru | $11.09 | 09-May-2007 | 3 |
| K & E POCKET SLIDE RULE - ORIGINAL LEATHER SLE | $11.01 | 13-May-2007 | 2 |
| "Keuffel Esser 4150-1 6"" Pocket Slide Rule w/ | $10.50 | 27-May-2007 | 5 |
| Slide rules (2) Kueffel & Esser Co. N.Y. 1930s | $10.50 | 20-May-2007 | 7 |
| "3 Slide Rules Keuffel & Esser, Sterling ACU R | $10.50 | 29-May-2007 | 2 |
| Keuffle&Esser Co. Ivory Slide Rule and case | $10.50 | 23-May-2007 | 2 |
| KEUFFEL & ESSER VINTAGE Slide Rule 350583 & Ca | $10.50 | 29-May-2007 | 2 |
| Vintage Keuffel & Esser Co. N.Y. N4053-3 SLIDE | $10.50 | 16-May-2007 | 2 |
| Vintage slide rule lot Keuffel & Esser Decitri | $10.50 | 21-May-2007 | 5 |
| K & E Slide Rule 1955 book | $10.50 | 22-May-2007 | 2 |
| "Vintage Addiator, K&E & Sterling Slide Rule, | $10.50 | 15-May-2007 | 3 |
| Vintage Keuffel & Esser decitrig slide rule 40 | $10.29 | 29-May-2007 | 3 |
| Vintage Keuffel and Esser 4070-3 Sliderule Sli | $10.00 | 04-May-2007 | 1 |
| "VINTAGE 12"" SLIDE RULE KEUFFEL & ESSER CO. W | $10.00 | 01-May-2007 | 1 |
| K&E 4081-3 SLIDE RULE with Leather Case | $9.99 | 09-May-2007 | 2 |
| "Keuffel & Esser 681550 Slide Rule Set + manua | $9.99 | 14-May-2007 | 1 |
| KEUFFEL & ESSER K & E 4080-3S SLIDE RULE & CAS | $9.99 | 21-May-2007 | 1 |
| Kuffel Esser Slide Rule 4081-3 Log-Log Duplex | $9.99 | 22-May-2007 | 1 |
| ** 1943 ** K & E - slide rule MANUAL for #4081 | $9.99 | 06-May-2007 | 1 |
| Vintage Keuffel & Esser 4081-3 Slide Rule | $9.99 | 31-May-2007 | 1 |
| 1955 K & E Slide Rule Manual Log Log Duplex De | $9.99 | 01-May-2007 | 1 |
| Slide Rule Manual Keuffel & Esser Co. 1943-52 | $9.99 | 01-May-2007 | 1 |
| VINTAGE KEUFFEL & ESSER K&E DECITRIG SLIDE RUL | $9.99 | 13-May-2007 | 1 |
| K&E Keuffel & Esser Slide Rule Manual Jetlog & | $9.99 | 06-May-2007 | 1 |
| Vintage K & E Slide Rule 4098A Box Leather Cas | $9.99 | 31-May-2007 | 1 |
| Keuffel & Esser No. 4081 Slide Rule Manual | $9.99 | 18-May-2007 | 1 |
| K&E K+E 4088-3 Polyphase Duplex Slide Rule & C | $9.99 | 18-May-2007 | 1 |
| Keuffel & Esser 68 1617 Slide Rule | $9.99 | 09-May-2007 | 1 |
| VINTAGE SLIDE RULE W/CASE KEUFFEL & ESSER K&E | $9.99 | 21-May-2007 | 1 |
| KEUFFEL & ESSER SLIDE RULE MANUAL - NO. 4081 | $9.99 | 08-May-2007 | 1 |
| Vintage KEUFFEL & ESSER CO. Slide Rule w/ Leat | $9.99 | 10-May-2007 | 1 |
| 1928 KEUFFEL & ESSER BEGINNERS SLIDE RULE W/ B | $9.99 | 29-May-2007 | 1 |
| K&E LOG LOG DUPLEX TRIG SLIDE RULE MANUAL | $9.99 | 01-May-2007 | 1 |
| 1947 Keuffel & Esser Vector Slide Rule N4083-3 | $9.99 | 24-May-2007 | 1 |
| KEUFFEL ESSER 4081-3 SLIDE RULE LOG LOG DUPLEX | $9.99 | 22-May-2007 | 1 |
| Vintage K & E Slide Rule 4098A Box Leather Cas | $9.99 | 12-May-2007 | 1 |
| VINTAGE KUEFFEL & ESSER WOOD SLIDE RULE | $9.99 | 20-May-2007 | 1 |
| VINTAGE Keuffel and Esser CO. N.Y. SLIDE RULER | $9.99 | 30-May-2007 | 1 |
| Vintage Keuffel & Esser Co. Slide Rule w/ Leat | $9.99 | 31-May-2007 | 1 |
| vintage keuffel & esser slide rule and leather | $9.99 | 26-May-2007 | 1 |
| Vintage Keuffel & Esser Slide Rule and Case-Pa | $9.99 | 31-May-2007 | 2 |
| Vintage Keuffel & Esser Slide Rule w/ Leather | $9.99 | 22-May-2007 | 2 |
| 1915 Keuffel & Esser Slide Rule in Leather Cas | $9.99 | 13-May-2007 | 1 |
| "Keuffel & Esser Vintage 12 in. Slide Rule, Sl | $9.98 | 29-May-2007 | 1 |
| VINTAGE KEUFFEL & ESSER CO BEGINNERS SLIDE RUL | $9.95 | 01-May-2007 | 1 |
| K&E Keuffel & Esser 4081-3 Slide Rule #3 | $9.95 | 17-May-2007 | 1 |
| Keuffel & Esser Co. Log Log Duplex Vector Slid | $9.95 | 28-May-2007 | 1 |
| Lot of 2 Vintage Slide Rules Post 1447 Keuffel | $9.95 | 04-May-2007 | 1 |
| KEUFFEL & ESSER CO. SLIDE RULE LARGE DESKTOP I | $9.49 | 01-May-2007 | 3 |
| OLD SLIDE RULE KEUFFEL & ESSER CO. N.Y. Loren | $8.99 | 05-May-2007 | 1 |
| K&E Log Log Duplex Trig Slide Rule No. 4080-3 | $8.99 | 01-May-2007 | 1 |
| Vintage K&E N4081-3 Slide rule & Case Log Log | $8.95 | 21-May-2007 | 1 |
| "2 Slide Rules K&E, ACUMATH Vintage" | $8.90 | 26-May-2007 | 1 |
| K&E SLIDE RULE (6 INCH) model 4097D (Vintage) | $8.50 | 23-May-2007 | 4 |
| KEUFFEL & ESSER SLIDE RULE - VINTAGE - model 4 | $8.50 | 19-May-2007 | 6 |
| K&E SLIDE RULES OLD BOOK 1962 BKZ | $8.39 | 19-May-2007 | 2 |
| Vintage Bamboo K & E Slide Rule | $8.29 | 07-May-2007 | 3 |
| "Vintage Keuffel & Esser N4081-3 Slide Rule, 1 | $8.00 | 01-May-2007 | 2 |
| KEUFFEL & ESSER CO K&E SLIDE RULE VINTAGE 6870 | $7.99 | 05-May-2007 | 1 |
| K E Keuffer & Esser Slide Rule 4071-3 Nice !! | $7.99 | 20-May-2007 | 1 |
| KEUFFEL & ESSER CO. K + E SLIDE RULE #4071-3 w | $7.50 | 20-May-2007 | 1 |
| K & E Slide Rule No. 4058W with Case | $7.00 | 15-May-2007 | 1 |
| K & E Slide Rule No. 4058W with Case | $7.00 | 14-May-2007 | 1 |
| VINTAGE KEUFFEL ESSER SLIDE RULE 10.5 INCHE VG | $7.00 | 31-May-2007 | 1 |
| VINTAGE KEUFFEL & ESSER CO. NY SLIDE RULE # 40 | $6.99 | 22-May-2007 | 1 |
| keuffel&esser co. n.y. slide rule with leather | $6.50 | 16-May-2007 | 4 |
| K & E Slide Rule Model 4181-3 (1947) Keuffel & | $6.50 | 22-May-2007 | 2 |
| 1945 - Keuffel & Esser (K&E) #4056 Favorite Sl | $5.99 | 13-May-2007 | 1 |
| Vintage 1955 K & E Keuffel Esser Slide Rule Ma | $5.95 | 20-May-2007 | 1 |
| Keuffel & Esser Co. Old Slide Rule 4093-3 /Lea | $5.90 | 15-May-2007 | 2 |
| 1937 Keuffel & Esser Decitrig Duplex Slide Rul | $5.67 | 20-May-2007 | 2 |
| Keuffel & Esser K&E Slide Rule 4081-3 with cas | $5.59 | 28-May-2007 | 2 |
| Keuffel & Esser Co Beginner's Slide rule 4058c | $5.50 | 19-May-2007 | 2 |
| Vintage Keuffel & Esser Co Slide Rule #4092-3 | $5.50 | 09-May-2007 | 3 |
| KEUFFEL & ESSER DECITRIG SLIDE RULE 4081+ CASE | $5.50 | 01-May-2007 | 2 |
| SLIDE RULE MANUAL 1943-55 ~K & E~ No. 4081 COL | $5.50 | 23-May-2007 | 2 |
| 1943 Keuffel & Esser SLIDE RULE #4081 MANUAL l | $5.50 | 16-May-2007 | 1 |
| Vintage Slide Ruler w/case - Keuffel & Esseer | $5.00 | 13-May-2007 | 1 |
| K & E Keuffel & Esser Vintage Slide Rule Manua | $5.00 | 09-May-2007 | 1 |
| K & E Slide Rule No. 4058W with Case | $5.00 | 22-May-2007 | 1 |
| K & E Slide Rule No. 4058W with Case | $5.00 | 23-May-2007 | 1 |
| 4070-3 KEUFFEL & ESSER CO. SLIDE RULER W/LEATH | $4.99 | 23-May-2007 | 1 |
| K & E SLIDE RULE - BEGINNERS SLIDE RULE #4058W | $4.99 | 09-May-2007 | 1 |
| K&E Keuffel & Esser Slide Rule Manual Polyphas | $4.99 | 06-May-2007 | 1 |
| Vintage K&E 4053-3 Slide rule & Case 1900 Nice | $4.95 | 21-May-2007 | 1 |
| SLIDERULE-BY QUICK AND EASY ENGINEERING--@4.50 | $4.50 | 26-May-2007 | 1 |
| keuffel & Esser K-12 Prep Slide Rule Instructi | $4.25 | 23-May-2007 | 3 |
| Vintage K & E Slide Rule With Case - 4058 C | $3.99 | 19-May-2007 | 1 |
| K & E Slide Rule No. 4058W with Case | $3.50 | 27-May-2007 | 1 |
| K & E Slide Rule No. 4058W with Case | $3.50 | 28-May-2007 | 1 |
| KEUFFEL & ESSER Slide Rule GREAT CONDITION VIN | $2.99 | 29-May-2007 | 1 |
| Keuffel & Esser Co. Sliderule with Case | $2.99 | 10-May-2007 | 1 |
| KEUFFEL & ESSER CO. N.Y. SLIDE RULE | $2.75 | 12-May-2007 | 3 |
| SLIDE RULE VINTAGE K&E with cover excellent | $2.24 | 06-May-2007 | 2 |
| Vintage Keuffel Esser Slide Rule Math KE Tool | $1.95 | 22-May-2007 | 1 |
| Keuffel & Esser 1947 Slide Rule with Case | $1.25 | 15-May-2007 | 3 |
| Vintage Box For Keuffel & Esser K&E 4181-3 Sli | $1.00 | 01-May-2007 | 1 |
| Keuffel & Esser K & E Slide Rule 4056 Engineer | $1.00 | 19-May-2007 | 1 |
| K & E Keuffel & Esser Slide Rule # 68 1892 | $0.99 | 29-May-2007 | 1 |
| Vintage Keuffel & Esser Slide Rule #4088-3 in | $0.99 | 24-May-2007 | 1 |
| K & E LOG LOG Duplex Decitrig SLIDE RULE with | $90.00 | 01-May-2007 | 0 |
| K+E Deci-Lon 10 #68-1100 slide rule w/case + e | $75.00 | 11-May-2007 | 0 |
| 4 Vintage Polyphase Slide Rules~Keuffel&Esser~ | $74.99 | 24-May-2007 | 0 |
| "4 SLIDE RULE, K&E, RICOH, GRAPHICAL FIRING TA | $50.00 | 04-May-2007 | 0 |
| "4 SLIDE RULES + KEUFFEL & ESSER BOOK-ruler,en | $49.50 | 24-May-2007 | 0 |
| "4 SLIDE RULES + KEUFFEL & ESSER BOOK-ruler,en | $45.00 | 31-May-2007 | 0 |
| Vintage Keuffel & Esser Slide Rule #4088-3 in | $40.00 | 15-May-2007 | 0 |
| "1947 Keuffel & Esser 10"" Slide Rule 4181-3 W | $39.99 | 21-May-2007 | 0 |
| VERY EARLY K&E BAMBOO OR MAHOGANY SLIDE RULE | $36.00 | 28-May-2007 | 0 |
| VERY EARLY K&E BAMBOO OR MAHOGANY SLIDE RULE | $36.00 | 17-May-2007 | 0 |
| Vintage Keuffel & Esser Engineers Slide Rule # | $32.99 | 24-May-2007 | 0 |
| K&E 4083-3 slide rule | $30.00 | 31-May-2007 | 0 |
| K&E 4081-3 slide rule | $30.00 | 31-May-2007 | 0 |
| "KEUFFEL&ESSER SLIDE RULER 4081-3 WITH CASE!!1 | $29.99 | 26-May-2007 | 0 |
| "KEUFFEL&ESSER SLIDE RULER 4081-3 WITH CASE!!1 | $29.99 | 21-May-2007 | 0 |
| Vintage Slide Rules K & E Faber | $28.00 | 01-May-2007 | 0 |
| Vintage Keuffel & Esser Slide Rule w/Leather C | $24.99 | 27-May-2007 | 0 |
| Antique 1900 Keuffel & Esser Slide Rule w/leat | $24.99 | 27-May-2007 | 0 |
| Vintage Slide Rules K & E Faber | $22.00 | 22-May-2007 | 0 |
| Vintage K & E Slide Rule Ivory? | $20.00 | 30-May-2007 | 0 |
| "Keuffel and Esser Model 4055 ""Favorite"" sli | $20.00 | 07-May-2007 | 0 |
| VINTAGE K & E SLIDE RULE PAT APRIL 1924 | $19.99 | 28-May-2007 | 0 |
| "K & E PolyPhase Slide Rule 4053-3 10""; Excel | $19.99 | 01-May-2007 | 0 |
| MINT Vintage Keuffel & Esser K E Slide Rule 40 | $19.99 | 20-May-2007 | 0 |
| Vintage Keuffel & Esser slide rule......L@@K | $19.99 | 30-May-2007 | 0 |
| "K & E PolyPhase Slide Rule 4053-3 10""; Excel | $19.99 | 31-May-2007 | 0 |
| "K & E PolyPhase Slide Rule 4053-3 10""; Excel | $19.99 | 23-May-2007 | 0 |
| VINTAGE KEUFFEL & ESSER CO. SLIDE RULER W/CASE | $19.99 | 31-May-2007 | 0 |
| Vintage Slide Rules K & E 4081-3 & Lawrence 10 | $19.99 | 13-May-2007 | 0 |
| Antique Keuffel & Esser Cherry Wood Slide-Rule | $19.99 | 20-May-2007 | 0 |
| K&E Keuffel & Esser Slide Rule Pat Dte 1900 Le | $19.00 | 21-May-2007 | 0 |
| Keuffel & Esser K&E 4053-3S Slide Rule Case Dr | $18.99 | 13-May-2007 | 0 |
| K & E SLIDE RULE COLLECTION | $16.95 | 02-May-2007 | 0 |
| 1900 Keuffel & Esser Polyphase Slide Rule in O | $15.00 | 27-May-2007 | 0 |
| Keuffel & Esser Slide Rule (4080-3) 713941 | $14.99 | 04-May-2007 | 0 |
| DIETZGEN SLIDE RULE & K & E POLYPHASE SLIDE RU | $14.95 | 27-May-2007 | 0 |
| 1945 - Keuffel & Esser (K&E) #4056 Favorite Sl | $12.99 | 04-May-2007 | 0 |
| VINTAGE KEUFFEL & ESSER 4058-C SLIDE RULE WITH | $12.99 | 13-May-2007 | 0 |
| Slide rule K & E Co Polyphase 4053-3 Leather C | $12.50 | 23-May-2007 | 0 |
| Slide Rule K & E Co Polyphase 4053-3 Leather C | $12.00 | 31-May-2007 | 0 |
| Vintage K&E N4081-3 Slide rule & Case Log Log | $11.95 | 14-May-2007 | 0 |
| Keuffel & Esser Slide Rule (Vintage) | $10.00 | 13-May-2007 | 0 |
| K & E Log Log Duplex Decitrig Slide Rule 68 12 | $10.00 | 14-May-2007 | 0 |
| "1926 KEUFFEL & ESSER MANUAL, LOG LOG DUPLEX S | $9.99 | 01-May-2007 | 0 |
| "VINTAGE SLIDE RULE,LEATHER CASE,KEUFFEL & ESS | $9.99 | 20-May-2007 | 0 |
| Keuffel & Esser Slide Rule w/ Leather Case N40 | $9.99 | 01-May-2007 | 0 |
| K+E Model N4058W slide rule w/case + instructi | $9.99 | 25-May-2007 | 0 |
| Keuffel & Esser K&E Vintage Slide Rule w/Case | $9.99 | 20-May-2007 | 0 |
| Vintage K&E Keuffel & Esser Model 4071-3 Slide | $9.99 | 15-May-2007 | 0 |
| 1938 1944 KEUFFEL & ESSER Slide Rule Manuals 4 | $9.99 | 21-May-2007 | 0 |
| KEUFFEL AND ESSER SLIDE RULE MODEL NO.< 4081-3 | $9.99 | 13-May-2007 | 0 |
| 1928 KEUFFEL & ESSER BEGINNERS SLIDE RULE W/ B | $9.99 | 22-May-2007 | 0 |
| K & E Log Slide Rule 20 Scale w/case no. 53089 | $9.99 | 14-May-2007 | 0 |
| "K & E POLYPHASE SLIDE RULE 4053-3 PAT. JUNE 5 | $9.99 | 15-May-2007 | 0 |
| vintage keuffel & esser slide rule and leather | $9.99 | 19-May-2007 | 0 |
| ANTIQUE SLIDE RULER KEUFFEL & ESSER CO PAT 190 | $9.99 | 27-May-2007 | 0 |
| KEUFFEL & ESSER CO. SLIDE RULE N4058W | $9.99 | 19-May-2007 | 0 |
| VINTAGE SLIDE RULE W/CASE KEUFFEL & ESSER K&E | $9.99 | 14-May-2007 | 0 |
| VINTAGE KEUFFEL & ESSER CO BEGINNERS SLIDE RUL | $9.99 | 27-May-2007 | 0 |
| VINTAGE KEUFFEL & ESSER CO. SLIDE RULE | $9.99 | 01-May-2007 | 0 |
| Antique Keuffel & Esser Cherry Wood Slide-Rule | $9.99 | 29-May-2007 | 0 |
| "Old Keuffel & Esser Co. Slide Rule, With Case | $9.99 | 29-May-2007 | 0 |
| Keuffel & Esser Polyphase Slide Rule manual | $9.99 | 13-May-2007 | 0 |
| Keuffel Esser Slide Rule Manual 1920 Mannheim | $9.99 | 01-May-2007 | 0 |
| Vintage Keuffel & Esser Slide Rule and Case-Pa | $9.99 | 01-May-2007 | 0 |
| "Keuffel & Esser Doric Slide Rule, 1947" | $9.99 | 15-May-2007 | 0 |
| Keuffel & Esser Slide Rule (4080-3) 713941 | $9.99 | 14-May-2007 | 0 |
| *UNIQUE UNIVERSAL II & KEUFFEL & ESSER CO.SLID | $9.99 | 19-May-2007 | 0 |
| VINTAGE SLIDE RULE W/CASE KEUFFEL & ESSER K&E | $9.99 | 04-May-2007 | 0 |
| Unique Keuffel & Esser School Slide Rule Cours | $9.99 | 14-May-2007 | 0 |
| Vintage Slide Rule by Keuffel and Esser | $9.99 | 01-May-2007 | 0 |
| Vintage K & E Slide Rule 4098A Box Leather Cas | $9.99 | 20-May-2007 | 0 |
| KEUFFEL & ESSER CO. NY SLIDE RULE AND CASE | $9.99 | 31-May-2007 | 0 |
| Vintage KEUFFEL & ESSER Slide Rule K & E...Eng | $9.99 | 21-May-2007 | 0 |
| K & E POLYPHASE SLIDE RULE w/ ORIGINAL LEATHER | $9.95 | 13-May-2007 | 0 |
| Vintage K&E Slide Rule + Case | $9.95 | 08-May-2007 | 0 |
| VINTAGE K & E SLIDE RULE # 4058 C IN BOX CASE | $9.95 | 01-May-2007 | 0 |
| 1945 Keuffel & Esser Slide Rule MANUAL No. 408 | $9.95 | 04-May-2007 | 0 |
| Vintage K&E Slide Rule + Case | $9.95 | 24-May-2007 | 0 |
| K&E Keuffel & Esser 4091-3S Slide Rule #2 | $9.95 | 17-May-2007 | 0 |
| K&E Keuffel & Esser 4081-3 Slide Rule #4 | $9.95 | 17-May-2007 | 0 |
| K&E Keuffel & Esser Beginners Slide Rule #5 | $9.95 | 17-May-2007 | 0 |
| "VINTAGE KEUFFEL & ESSER SLIDE RULE "" FAVORIT | $9.90 | 24-May-2007 | 0 |
| Minty K & E slide rule in leather case. Vintag | $8.99 | 31-May-2007 | 0 |
| VINTAGE KEUFFEL & ESSER CO. NY SLIDE RULE # 40 | $8.99 | 14-May-2007 | 0 |
| Vintage Slide Rule by Keuffel and Esser | $8.99 | 09-May-2007 | 0 |
| Minty K & E slide rule in leather case. Vintag | $8.99 | 24-May-2007 | 0 |
| Vintage Keuffel & and Esser Slide Rule # 4088- | $8.99 | 01-May-2007 | 0 |
| "2 Slide Rules K&E, ACUMATH Vintage" | $8.90 | 17-May-2007 | 0 |
| K&E LOG LOG TRIG SLIDE RULE #4080-3 W/CASE | $8.50 | 26-May-2007 | 0 |
| vintage slide rule by KEUFFEL & ESSER CO NY # | $7.99 | 24-May-2007 | 0 |
| VINTAGE KEUFFEL & ESSER CO. BEGINNER'S SLIDE R | $7.99 | 29-May-2007 | 0 |
| Vintage K & E Slide Rule With Case - 4058 C | $7.99 | 09-May-2007 | 0 |
| Vintage 1930s KEUFFEL & ESSER 4092-3 Slide Rul | $7.50 | 01-May-2007 | 0 |
| "Excellent K+E 12"" Sliderule With Original Ca | $7.50 | 01-May-2007 | 0 |
| 1926 KEUFFEL & ESSER Slide Rule Manual - LOG L | $7.50 | 28-May-2007 | 0 |
| Vintage K & E Slide Rule Beginners N4058W w/ C | $7.50 | 16-May-2007 | 0 |
| Vintage K&E Slide Rule 4098A & Leather Case 19 | $6.99 | 31-May-2007 | 0 |
| Vintage K&E 4053-3 Slide rule & Case 1900 Nice | $6.95 | 14-May-2007 | 0 |
| K&E Slide Rule Manual Polyphase no 4053 printe | $6.75 | 01-May-2007 | 0 |
| K & E 4081 log log duplex decitrig slide rule | $6.75 | 01-May-2007 | 0 |
| K&E Log Log Duplex Decitrig Slide Rule Manual | $6.67 | 16-May-2007 | 0 |
| "KEUFFEL & ESSER Slide Rule Manual, 1952 (pb35 | $6.00 | 07-May-2007 | 0 |
| 1932 K&E Keuffel Esser Log Log Duplex Slide Ru | $6.00 | 13-May-2007 | 0 |
| VINTAGE KEUFFEL & ESSER K&E SLIDE RULE W/CASE | $5.99 | 24-May-2007 | 0 |
| SLIDE RULE KEUFFEL & ESSER CASE ENGINEERING 19 | $5.99 | 10-May-2007 | 0 |
| Keuffel & Esser Log Log Duplex Trig Slide Rule | $5.99 | 03-May-2007 | 0 |
| Mannheim K&E Slide Rule 4031S N4035S N4041 405 | $5.99 | 21-May-2007 | 0 |
| Vintage Keuffel & Esser Slide Rule w/ Case | $5.95 | 28-May-2007 | 0 |
| Keuffel & Esser Co. Old Slide Rule 4093-3 /Lea | $5.90 | 08-May-2007 | 0 |
| 1932 K&E Keuffel Esser Log Log Duplex Slide Ru | $5.00 | 30-May-2007 | 0 |
| 1945 K&E Log Log Duplex Decitrig Slide Rule Bo | $5.00 | 05-May-2007 | 0 |
| K&E Keuffel & Esser 4161 Pocket Slide Rule Man | $5.00 | 30-May-2007 | 0 |
| Keuffel & Esser Log Duplex Decitrig Slide Rule | $5.00 | 16-May-2007 | 0 |
| Polyphase Slide rule manual- Keuffel & Esser C | $5.00 | 13-May-2007 | 0 |
| Keuffel & Esser Log Log Duplex Decitrig Slide | $5.00 | 19-May-2007 | 0 |
| KEUFFEL & ESSER BEGINNER'S SLIDE RULE 4058W w/ | $5.00 | 15-May-2007 | 0 |
| Keuffel & Esser Slide Rule <4088-3> w/Leather | $5.00 | 30-May-2007 | 0 |
| Keuffel & Esser Slide Rule <4088-3> w/Leather | $5.00 | 20-May-2007 | 0 |
| Slide Ruler w leather case - Keuffel & Esseer | $4.99 | 21-May-2007 | 0 |
| "Slide Rule, Polyphase Duplex No. 4088 K & E C | $4.99 | 14-May-2007 | 0 |
| KEUFFEL & ESSER Beginners Slide Rule w/Case 40 | $4.99 | 08-May-2007 | 0 |
| Vintage Keuffel & Esser Slide Rule w/ Leather | $4.99 | 22-May-2007 | 0 |
| K&E Slide Rule Manual Polyphase no 4053 printe | $4.99 | 08-May-2007 | 0 |
| K & E 4081 log log duplex decitrig slide rule | $4.99 | 08-May-2007 | 0 |
| K & E Log Slide Rule 20 Scale w/case no. 53089 | $4.99 | 25-May-2007 | 0 |
| KEUFFEL & ESSER VINTAGE SLIDE RULE w LEATHER C | $4.99 | 29-May-2007 | 0 |
| K&E 4081-3 SLIDERULE WITH CASE & ACU-MATH MANU | $4.99 | 13-May-2007 | 0 |
| "Keuffel & Esser Slide Rule Manual, 1937" | $4.99 | 15-May-2007 | 0 |
| SLIDE RULE MANUAL 1943-55 ~K & E~ No. 4081 COL | $4.50 | 16-May-2007 | 0 |
| Vintage Keuffel & Esser Slide Rule 4097C | $4.00 | 10-May-2007 | 0 |
| K & E - BEGINNER'S SLIDE RULE - 1960s ? | $3.99 | 13-May-2007 | 0 |
| VINTAGE WOODEN SLIDE RULE w/ CASE KEUFFEL & ES | $3.99 | 25-May-2007 | 0 |
| Vintage Beginner K&E Keuffel & Esser Wooden Sl | $3.99 | 23-May-2007 | 0 |
| Mannheim Slide Rule Complete Manual Keuffel & | $2.99 | 01-May-2007 | 0 |
| vtg STUDENT'S SLIDE RULE #4058 KEUFFEL/ESSER C | $2.99 | 16-May-2007 | 0 |
| OLD SLIDE RULE ~ KEUFFEL & ESSER ~ #4058 W | $2.99 | 28-May-2007 | 0 |
| KEUFFEL & ESSER 4053-3 Slide Rule | $0.99 | 27-May-2007 | 0 |