Slide Rules HOME page PRICES < SITE MAP >
Keuffel and Esser
DescriptionPriceDate Bids

Prices of slide rules sold on ebay (the internet auction) in Apr-2007

Thacher's Calculating Inst Keuffel & Esser Sli$1625.0021-Apr-20073
Early K & E SlideRule Wm COX. PAT.Oct. 6.1891w$1578.0024-Apr-200720
K&E 4081-3 Braille Log Log Duplex Decitrig Sli$1304.3315-Apr-200711
1891 RARE KEUFFEL & ESSER SLIDE RULE & ex/ SLI$365.0023-Apr-200712
"20"" K&E N4081-5S Log Log Duplex Decitrig Sli$311.5922-Apr-200727
Vintage K+E Engineering Slide Rule in box w/ex$197.5024-Apr-200716
K+E Deci-Lon 5 #68-1130 slide rule w/case + ex$189.8927-Apr-20074
OLD but NEW K&E DECILON POCKET 26 scl SLIDE RU$189.5001-Apr-200716
"1947 Keuffel & Esser 22"" Slide Rule N 4081-5$180.5019-Apr-200710
"20"" K&E N4081-5 Log Log Duplex Decitrig Slid$179.5003-Apr-20077
vintage K&E CHEMIST'S DUPLEX SLIDE RULE 4160 i$148.2819-Apr-200715
EARLY KEUFFEL & ESSER K&E LOG LOG DUPLEX SLIDE$131.5011-Apr-200712
slide rule Keuffel & Esser log log Duplex trig$130.2724-Apr-20078
KEUFFEL & ESSER No. 4088-2 SLIDE RULE ~ 1908 $130.2502-Apr-20073
Keuffel & Esser K+E Deci-lon Slide Rule No. 68$115.2725-Apr-200716
Three Vintage Slide Rule Keuffel & Esser (K+E)$114.5013-Apr-200713
Vintage LARGE K&E DECI-LON 10 SLIDE RULE w/Cas$109.5008-Apr-20076
"KEUFFEL & ESSER SLIDE RULE 4088-3 PAT 1900, 1$106.4129-Apr-20076
Vintage Keuffel & Esser DECI-LON 10 Slide Rule$105.0019-Apr-20071
K & E Keuffel & Esser 68 1100 Slide Rule LN PL$104.3503-Apr-200718
Vintage Keuffel & Esser Deci-Lon 10 Slide Rule$104.0017-Apr-20079
Vintage K E Keuffel Esser 20 1/2 Inch Slide Ru$102.5029-Apr-200713
OLD KEUFFEL & ESSER SLIDE RULE DATED 1908 $93.0014-Apr-20076
Vintage Large 23in. Keuffel & Esser Slide Rule$88.7709-Apr-20077
BIG VINTAGE COOKE RADIO KEUFFEL & ESSER SLIDE $86.5528-Apr-20077
1933 KEUFFEL & ESSER 21 Inch Slide Rule in Lea$84.0029-Apr-200710
K+E Deci-Lon 10 #68-1100 slide rule w/case + e$79.9927-Apr-20071
"K&E Keuffel & Esser Slide Rule # 4181-1 /Leat$78.0319-Apr-200715
"Keuffel & Esser Slide Rule 20"" N4053-5 w/ Ca$77.0017-Apr-20077
"20"" K&E N4053-5 Log Log Duplex Decitrig Slid$76.0003-Apr-20078
"12.75"" OLD & NEW K&E 68-1100 DECILON SLIDE R$73.3701-Apr-20078
"Keuffel Esser 7"" log slide rule 4181 - 1 LOO$73.0005-Apr-200714
K&E Slide Rule Log Log Duplex Decitrig 68 1210$71.0017-Apr-20075
K&E LOG LOG DUPLEX DECITRIG NO. 4081 SLIDE RUL$69.6814-Apr-200713
VTG 1947 K&E LOG LOG DUPLEX DECITRIG 4081-3 SL$66.0020-Apr-200714
Keuffel & Esser K&E slide rule ruler 20.5 inch$63.0028-Apr-200711
K&E Deci-Lon Slide Rule with case NR $61.0011-Apr-20077
Vintage Keuffel & Esser Slide Rule w/ Case ! N$61.0024-Apr-20076
"Vintage K&E N4053-5 Mannheim Polyphase slide $58.6023-Apr-20076
Keuffel & Esser K & E Slide Rule 4081-3 Log Lo$56.9715-Apr-20079
Vintage Keuffel & Esser DECI-LON 10 Slide Rule$53.0029-Apr-20074
KEUFFEL & ESSER K&E 4083-3 LOG LOG VECTOR SLID$52.8504-Apr-20075
~ VINTAGE K&E POCKET SLIDE RULE ~ $52.0512-Apr-20079
K & E KEUFFEL ESSER DECI-LON 10 SLIDE RULE & C$52.0030-Apr-200712
Old Keuffel & Esser 4053-5 Slide Rule and Case$51.3526-Apr-20076
Keuffel & Esser Co. K&E DECI-LON 10 Slide Rule$51.0015-Apr-20077
Keuffel & Essler 4081-3 Log Log Decitrig Slide$51.0003-Apr-20079
"KEUFFEL & ESSER Slide Rule 20"" N4053-5 w/Cas$50.4915-Apr-20076
K&E Decilon 10 Slide Rule with leather case $50.0026-Apr-200711
Vintage Keuffel & Esser Pocket Slide Rule in B$49.9906-Apr-200717
K&E Slide Rule 4181-1 w Leather Case $49.5009-Apr-20077
Keuffel & Esser K&E 68 1100 Deci-Lon 10 Slide $49.0002-Apr-20076
K&E WOOD SLIDE RULE MODEL 4080-3 WITH 68-2233 $48.1109-Apr-20076
Keuffel & Esser Slide Rule/Case/Manual $46.0020-Apr-200715
Keuffel Esser Log Log Duplex Decitrig Sliderul$46.0020-Apr-20075
K&E LOG LOG DUPLEX VECTOR NO. N4083- SLIDE RUL$46.0018-Apr-20077
Keuffel & Esser Slide Rule Deci-Lon 10 68-1100$46.0029-Apr-20075
"K+E Slide Rule 4181-1 w/Leather cse 7"" Keuff$43.1704-Apr-200721
KEUFFEL & ESSER LOG LOG DUPLEX DECITRIG SLIDE $42.2325-Apr-200710
K&E Keuffel & Esser 4181 Slide Rule Case Manua$42.0021-Apr-20079
"Vintage K&E Polyphase Slide Rule N4053-5, Mah$41.4407-Apr-20076
Vintage K&E SLIDE RULE 4181-3 Keuffel Esser C.$41.0001-Apr-200714
KEUFFEL & ESSER No. 4080-3 Slide Rule w/Case $41.0012-Apr-20076
"K&E 4181-1 7"" Ivorite Slide Rule with K&E ca$40.9921-Apr-20078
Vintage K&E Slide Rule 1947 $39.9914-Apr-20078
KEUFFEL & ESSER K&E DECI-LON 10 SLIDE RULE W/C$38.8906-Apr-20079
K&E 68-1261 5 Inch Pocket Slide Rule W/ Clip C$38.8410-Apr-20076
KEUFFEL & ESSER (K&E) Jet-Log Slide Rule 68 12$38.7726-Apr-20074
"K&E (Keuffel & Esser Co.) Slide Ruler 12""" $37.2524-Apr-20076
SLIDE RULE K & E LOG LOG DUPLEX DECITRIG N 408$37.0029-Apr-20077
1940s KEUFFEL & ESSER SLIDE RULE 68-1251....VE$36.9929-Apr-20077
"K&E (Keuffel & Esser Co.) Slide Ruler 22""" $36.6924-Apr-20076
"K&E POLYPHASE DUPLEX DECITRIG SLIDE RULE, MAN$36.0003-Apr-20071
1950's K&E Slide Rule No. 4081 $36.0003-Apr-20075
Keuffel & Esser K&E N4080-3 slide rule w box a$35.0001-Apr-200711
"Keuffel Esser Slide Rule of Gen.""Vinegar Joe$34.3308-Apr-20076
Pat. 1947 K&E / Keuffel & Esser Co. 4181-3 Sli$33.0018-Apr-20078
K&E K E 4081-3S Log Log Duplex Decitrig Slide $32.2522-Apr-20072
Slide Rule Log Log Duplex Decitrig K&E # 4081 $32.0016-Apr-20075
K & E LOG LOG DUPLEXDECITRIG SLIDE RULE N4081-$31.9904-Apr-20073
K&E Deci-Lon Slide Rule with case NR $31.5011-Apr-20074
"K&E Slide Rule Log Log Duplex Decitrig 4181-1$31.0007-Apr-20078
K & E Slide Rule Log Log Duplex Dectrig $31.0022-Apr-20076
"K+E 4081-3 Slide Rule w/Case, Magnifier & Man$30.0024-Apr-20071
K+E 4081-3 Log Log Duplex Decitrig Slide Rule $29.9927-Apr-20071
K&E Keuffel & Esser Slide Rule Mint w Case 3 S$29.0007-Apr-20072
Keuffel & Esser Slide Rule No 4080-3 $29.0017-Apr-20073
"Antique ""K & E"" Slide Rule with Leather Cas$28.9904-Apr-200710
"KEUFFEL & ESSLER SlideRule, K & E Slide Rule,$28.8929-Apr-20073
antique K & E Keuffel & Esser oak slide rule #$28.5513-Apr-20074
WWII Military Keuffel & Esser Triangulation Sl$28.2108-Apr-20076
VERY OLD KEUFFEL & ESSER SLIDE RULE IN CASE PA$28.0024-Apr-20071
Vintage K&E Slide Rule in Case / Excellent Con$26.0012-Apr-20074
K & E SLIDE RULE NO N4081-3 LOG LOG DUPLEX DEC$26.0006-Apr-20076
K & E Log Log Duplex Dectrig Slide Rule PN 418$26.0015-Apr-20074
1947 K & E LOG LOG DUPLEX DECITRIG 4081-3 SLID$24.8824-Apr-20071
K&E Keuffel Esser Log Log Duplex Trig Slide Ru$24.5007-Apr-20077
3 Vintage SLIDE RULES Lawrence Sterling Keuffe$24.3917-Apr-20074
Keuffel & Esser K&E 4081-3 slide rule w/ box a$23.6901-Apr-20079
Vintage Keuffel & Esser NY Deo Trig Slide Rule$23.5001-Apr-20076
K&E Keuffel & Esser 4080-3S Log Duplex Trig Sl$23.5006-Apr-200715
KEUFFEL & ESSER K&E 4081-3 LOG LOG VECTOR SLID$23.5013-Apr-20072
Vintage 1947 K&E Keuffel Esser Slide Rule Mode$23.1723-Apr-20079
K+E Keuffel & Esser Deci-Lon 1100 10 Slide Rul$22.2016-Apr-20074
Keuffel & Esser Log Log Duplex Slide Rule with$22.0021-Apr-20076
LIKE NEW K&E SLIDE RULE MAGNIFIER PAT. NO. 2-7$21.4913-Apr-20079
KEUFFEL & ESSER Vintage Slide Rule /Case/Paper$20.5119-Apr-20076
ANTIQUE KEUFFEL & ESSER SLIDE RULE PAT.1900 & $20.5002-Apr-20073
K&E Log Log Duplex Decitrig Slide Rule Case An$20.5029-Apr-20076
Vintage Keuffel & Esser K&E Log Log Duplex Sli$20.4922-Apr-20073
1947 Copyright Keuffel & Esser 4181-3 Sliderul$20.0015-Apr-20071
KEUFFEL & ESSER (K&E) K12 Prep Slide Rule 68 1$20.0026-Apr-20071
K&E Pocket Slide Rule 4150-1 $20.0026-Apr-20071
Keuffel and Esser N.Y. MERCHANT SLIDE RULER 19$19.9902-Apr-20071
"VINTAGE KEUFFEL & ESSER CO. N.Y. SLIDE RULER $19.9902-Apr-20071
OLD Keuffel & Esser K & E 4071-3 Slide Rule w/$19.9915-Apr-20071
"SLIDE RULE,KEUFFEL&ESSER CO.Nš 4181-1,MADE IN$19.9917-Apr-20071
KEUFFEL & ESSER 4081-3 SLIDE RULE K&E $19.1214-Apr-20074
Keuffel & Esser Vintage Slide Rule and Draftin$18.5016-Apr-20073
KEUFFEL & ESSER Slide Rule Magnifier $18.5012-Apr-20077
Keuffel & Essler 68 1210 Log Log Decitrig Slid$17.4503-Apr-20076
"SLIDE RULE K&E VINTAGE #4181-3 12 1/2"" *WOW*$17.0029-Apr-20075
Older KEUFFEL & ESSER Polyphase SLIDE RULE/Lea$16.5027-Apr-20074
"K E Keuffel & Esser Patented Wood Slide Rule $16.4903-Apr-20073
Vintage Keuffel & Esser Co. Slide Rule w/ Case$16.2722-Apr-20072
SLIDE RULE 4080 3 LOG DUPLEX TRIG KEUFFEL ESSE$16.0104-Apr-20075
"K&E N9081-3 Slide Rule,Manual,Case,Box 1947" $15.5512-Apr-20073
Miniature Vintage Doric K&E Keuffel & Esser Sl$15.5028-Apr-20073
antique K & E Keuffel & Esser oak slide rule #$15.5022-Apr-20072
"ANTIQUE K & E KEUFFEL & ESSER 4053-5 SLIDE RU$15.0501-Apr-20074
3 K+E (Keuffel & Esser) Vintage Slide Rule Man$15.0028-Apr-20071
"** RARE VINTAGE ANTIQUE ** K & E 10"" SLIDE R$15.0015-Apr-20071
vintage Keuffel Esser K&E Slide Rule N4081-3 w$15.0018-Apr-20074
KEUFFEL & ESSER COMPANY ENGINEERING SLIDE RULE$14.9915-Apr-20071
VINTAGE K & E SLIDE RULES NO 4083 & 4041 BOX &$14.9508-Apr-20073
4 Vintage Slide Rules K&E Sun Hemmi Lawrence B$14.2922-Apr-20073
2 Vintage Keuffel & Esser Slide Rules 4081-3 4$14.2523-Apr-20072
3 Vintage Wood Slide Rule K&E 4053 4054 4088 L$13.6507-Apr-20072
K&E Co Vintage Slide Rule 4081-3S w/Leather Ca$13.6120-Apr-20078
2 Keuffel & Esser ( K&E ) Slide Rule / Leather$13.5019-Apr-20072
K&E SLIDE RULE MODEL 4161-1 $13.5003-Apr-20075
KEUFFEL & ESSER SLIDE RULE MANUALS N4080 AND B$13.2929-Apr-20076
KEUFFEL & ESSER CO. N.Y. SLIDE RULE 4081-3 $13.2928-Apr-20073
*** Vintage K & E Slide Rule (4081-35) *** $13.0212-Apr-20077
Older Quality Keuffel & Esser Slide Rule Look!$13.0019-Apr-20074
"Keuffel & Esser Co. 13"" Slide Rule Log Log D$13.0020-Apr-20077
"KEUFFEL & ESSER 4181-3 SLIDE RULE with CASE, $12.9922-Apr-20071
Vintage K&E Mannheim Polyphase Slide Rule Wood$12.9909-Apr-20071
Vintage Keuffel & Esser Slide Rule Patent Date$12.9502-Apr-20071
NICE Keuffel & Esser 4168 Pocket Slide Rule in$12.5009-Apr-20072
Keuffel & Esser Co BEGINNER's SLIDE RULE <4058$12.5004-Apr-20073
*KEUFFEL & ESSER CO. SLIDE RULE WITH BLACK CAS$12.5002-Apr-20075
LUTZ Slide Rule No. 252P Keuffel & Esser + bon$12.5021-Apr-20072
2 VINTAGE SLIDE RULE~ KEUFFEL & STERLING 1965 $12.1522-Apr-20075
Keuffel & Esser Co Polyphase Duplex Slide Rule$11.6123-Apr-20072
KEUFFEL & ESSER K&E 4092-3 SLIDE RULE $11.6124-Apr-20073
SLIDE RULE POLYPHASE K&E KEUFFEL & ESSER MANUA$11.5015-Apr-20072
VINTAGE KEUFFEL & ESSER CO. K & E SLIDE RULE 1$11.1608-Apr-20072
DRAFTING SLIDE RULE FROM KEUFFEL & ESSSOR CO. $10.9905-Apr-20072
Keuffel & Esser Co. Slide Rule Copyright 1947.$10.5025-Apr-20078
Early Keuffel & Esser (K&E) Slide Rule N4053-3$10.5022-Apr-20072
Vintage KEUFFEL Slide Rule Ruler & DRAFTING TO$10.5001-Apr-20072
Vintage 1952 Keuffel & Esser Slide Rule Ruler $10.5004-Apr-20073
Slide Rule Log Log Duplex Decitrig 4081 Keuffe$10.5005-Apr-20072
1962*K & E SLIDE RULES*DECI-LON INSTRUCTION MA$10.5010-Apr-20073
K&E SLIDE RULE MODEL 4088-3 $10.4903-Apr-20073
Vintage K&E SLIDE RULE 4181-3 Keuffel Esser C.$10.0201-Apr-20072
1937 Vintage Keuffel & Esser Company Slide Rul$10.0024-Apr-20072
Keuffel & Esser 4058 C Slide Rule W/ Box & Ins$9.9911-Apr-20071
Keuffel & Esser N4081-3 Slide Rule & Leather C$9.9929-Apr-20071
"Early Keuffel & Esser 12"" Engineers Slide Ru$9.9907-Apr-20071
ANTIQUE QUICK & EASY SLIDE RULE w/CASE & INSTR$9.9911-Apr-20071
Vintage Keuffel & Esser Slide Rule-Mahogany/Ce$9.9908-Apr-20071
"KEUFFEL &ESSERCO, 4181 SLIDE RULE 1947" $9.9916-Apr-20071
Keuffel&Esser Co. Slide rule w/leather case. $9.9921-Apr-20071
KEUFFEL & ESSER K&E SLIDE RULER $9.9924-Apr-20072
PAT JUNE 5 1900 KEUFFEL & ESSER CO. N.Y. SLIDE$9.9908-Apr-20071
Vintage K & E Slide Rule 1947 Keuffel Esser Co$9.9919-Apr-20071
VINTAGE KEUFFEL & ESSER CO SLIDE RULE 4058W BE$9.9921-Apr-20071
Keuffle & Esser co. Slide Rule $9.9907-Apr-20071
1916 Keuffel & Esser Slide Ruler #4058 $9.9919-Apr-20071
Keuffel Esser 4055 Favorite Slide Rule w Case $9.9921-Apr-20071
"""DECI-LON"" K+E Slide Rules Manual" $9.9906-Apr-20071
Old Polyphase Keuffel & Esser Slide Rule Dated$9.9721-Apr-20071
Keuffel & Esser K&E 4081-3 slide rule 12 inch $9.9508-Apr-20071
K & E LOG LOG Duplex Decitrig Slide Rule/No.40$9.9502-Apr-20071
VINTAGE KEUFFEL & ESSER SLIDE RULE $9.9516-Apr-20071
K&E Wood Slide Rule Log Log Duplex Decitrig w $9.9522-Apr-20071
Keuffel&Esser 4083-3 -3 log vector slide rule-$9.9508-Apr-20071
K E 4097B pocket slide rule (Ever There) w/ ca$9.4914-Apr-20072
Keuffel & Esser Co Log Log Duplex Decitrig Sli$9.4904-Apr-20073
Keuffel & Esser Slide Rule-N4081-3-Copyright 1$9.4021-Apr-20072
KEUFFEL & ESSER 4031 MINI SLIDE RULE Pat. 1900$9.4001-Apr-20072
lot vintage K&E KEUFFEL ESSER SLIDE RULE 4091-$9.0025-Apr-20071
Keuffel & Esser Pat 00 08 Slide Rule Unusual W$9.0029-Apr-20071
Slide Rule - Keuffel & Esser- K&E 4081-3 - Bam$9.0029-Apr-20071
"Antique Keuffel & Esser Co. Slide Rule - N-40$8.5507-Apr-20076
SLIDE RULE KEUFFEL & ESSER CO. N.Y. $8.5007-Apr-20074
K+E Slide Rule Manual Log Log Duplex Decitrig $8.5014-Apr-200710
K & E LOG LOG Duplex Decitrig Slide Rule Manua$8.2702-Apr-20075
vintage K+E N4081-3 LOG LOG DUPLEX DECITRIG SL$8.0126-Apr-20074
Vintage Keuffel Esser K & E Slide Rule 4055 Ca$7.9502-Apr-20071
K + E Log Log Duplex Decitrig Slide Rule Manua$7.7509-Apr-20072
Keuffel & Esser Slide Rule Model 4088-3 $7.3928-Apr-20072
Keuffel & Esser K & E Slide Ruler 4058W w/case$7.2511-Apr-20074
Vintage Slide Rule & Case - Keuffel & Esser Co$7.0101-Apr-20072
Keuffel & Esser Slide Rules a self instruction$7.0005-Apr-20076
"RARE 10"" Keuffel & Esser Slide Rule w/Leathe$6.9912-Apr-20071
Vintage K&E Slide Ruler Black Leather Precisio$6.9908-Apr-20072
Vintage K&E Log Log Duplex 4081-3 Slide rule N$6.9502-Apr-20071
1943 K&E LOG LOG DUPLEX TRIG SLIDE RULE 4080 M$6.9522-Apr-20071
SLIDE RULE KEUFFEL & ESSER CO. N.Y. $6.5007-Apr-20075
K & E Doric Slide Rule with Leather Case $6.5019-Apr-20076
Vintage Keuffel and Esser K&E K E Slide Rule 4$6.5019-Apr-20075
1947 KEUFFEL & ESSER n4081-3 Slide Rule / case$6.5029-Apr-20071
VINTAGE KEUFFEL & ESSER 4092-3 SLIDE RULE & CA$6.5022-Apr-20073
Slide Rule Manual Keuffel & Esser Co. 1943-55 $6.4910-Apr-20072
K & E Slide Rule Manual SC 1955 $6.2926-Apr-20074
K & E SLIDE RULES Deci-Lon KEUFFEL & ESSER Man$6.0901-Apr-20074
"K&E vintage pocket slide rule, leather case, $6.0202-Apr-20073
VINTAGE KEUFFEL & ESSER SLIDE RULE $6.0102-Apr-20072
Vintage K&E Keuffel & Esser slide rule w/ leat$5.9902-Apr-20071
K & E BEGINNER'S SLIDE RULE. N4058W made USA $5.5017-Apr-20073
"KEUFFEL ESSER SLIDE RULE,.WITH CASE" $5.5020-Apr-20078
Slide Rule Keuffel & Esser Co Model # 4092 $5.0005-Apr-20071
1944 K&E Keuffel Esser Slide Rule Instruction $5.0013-Apr-20071
K&E K & E Slide Rule Keuffef & Esser Very Old $5.0002-Apr-20071
Keuffel & Esser Slide Rule 10 1/2 Inches Long $5.0024-Apr-20071
vintage K&E Polyphase Duplex Slide Rule PAT. D$4.9916-Apr-20071
Vintage Keuffel Esser Slide Rule 4081-3 w/ cas$4.9904-Apr-20071
1931 KEUFFEL & ESSER calendar SLIDE RULE & SUR$4.9922-Apr-20071
"K&E 18"" SLIDE RULE PARAGON MODEL #60 0518-19$4.9922-Apr-20071
KEUFFEL ESSER CO. BEGINNERS SLIDE RULER MADE I$4.9904-Apr-20071
K & E LOG LOG DUPLEX DECITRIG Slide Rule Manua$4.9912-Apr-20071
VINTAGE ANTIQUE KEUFFEL ESSER SLIDE RULE RULER$4.9917-Apr-20072
"VINTAGE Slide rule, Keuiffel & Esser Co. N.Y.$4.9509-Apr-20071
1947 K & E -KEUFFEL & ESSER SLIDE RULE W/CASE $4.7503-Apr-20072
VINTAGE 1925 POLYPHASE SLIDE RULE MANUAL KEUFF$4.5023-Apr-20071
KEUFFEL & ESSER CO. N.Y. Sliderule $4.5027-Apr-20072
VINTAGE K&E SLIDE RULE LOG LOG DELUXE WITH CAS$4.2504-Apr-20072
Older Keuffel & Esser Slide Rule N4053-3 $4.0011-Apr-20071
K & E Keuffel & Esser Co Slide Rule Manual 408$3.9922-Apr-20072
1945 K&E Log Log Decitrig Slide Rule Manual Bo$3.9914-Apr-20071
1947 Keuffel & Esser Duplex Decitrig Slide Rul$3.9929-Apr-20071
Very Old Keuffel & Esser Slide Rule - No. 3150$3.0029-Apr-20071
Very Old Keuffel & Esser Slide Rule - No. 2021$3.0029-Apr-20071
1938 Keuffel & Esser Co.Polyphase Slide Rule B$2.9922-Apr-20071
Keuffel & Essser Slide Ruler $2.9522-Apr-20071
1944 K & E KEUFFEL & ESSER SLIDE RULE #N 4053 $2.5405-Apr-20075
Keuffel & Esser Co. Slide Rule 4058 W Beginner$2.0007-Apr-20071
K & E Keuffel & Esser Co. Slide Rule Manual 41$1.9907-Apr-20071
1949 K&E LOG DUPLEX DECITRIG SLIDE RULE MANUAL$0.9915-Apr-20071
Vintage Keuffel & Esser Slide Rule K E Slide R$0.9916-Apr-20071
Keuffel & Esser Co. Slide Rule $0.9921-Apr-20071
1943 Decitrig Slide Rule Book Esser Keuffel K $0.9922-Apr-20071
K&E SLIDE RULE MODEL 4058W $0.9903-Apr-20071
Keuffel & Esser Slide Rule Model N4053-3 $0.9910-Apr-20071
Keuffel & Esser 4058C Slide Rule $0.9914-Apr-20072
Keuffle & Esser. and Federic Post Co. Slide ru$0.9904-Apr-20071
Keuffel & Esser Co Polyphase Duplex Slide Rule$0.9927-Apr-20071
KEUFFEL & ESSER POLYPHASE SLIDE RULE 68-1622~N$0.9911-Apr-20071
"Giant 85"" Keuffer & Esser Co. Demonstration $750.0023-Apr-20070
K & E LOG LOG Duplex Decitrig SLIDE RULE with $90.0015-Apr-20070
VTG K & E LOG LOG DUPLEX DECITRIG 4081 SLIDE R$49.9929-Apr-20070
Vintage 1947 K&E Slide Rule $39.9907-Apr-20070
VERY EARLY K&E BAMBOO OR MAHOGANY SLIDE RULE $36.0017-Apr-20070
VERY EARLY K&E BAMBOO OR MAHOGANY SLIDE RULE $36.0010-Apr-20070
VINTAGE K & E SLIDE RULE WITH CASE AND BOX NO $29.9926-Apr-20070
Nice old K&E Manheim N4041 slide rule with cas$25.0014-Apr-20070
OLD K&E #4095 BAMBOO SLIDE RULE $22.9911-Apr-20070
"K & E PolyPhase Slide Rule 4053-3 10""; Excel$19.9924-Apr-20070
Vintage K&E Log Log Duplex Slide Rule 4092-3S $19.9919-Apr-20070
VINTAGE Keuffel and Esser CO. N.Y. SLIDE RULER$19.9902-Apr-20070
Keuffel & Esser Slide Rule Polyphase Duplex No$19.9917-Apr-20070
VINTAGE KEUFFEL & ESSER No. 4080-3 Slide Rule $19.9920-Apr-20070
Vintage Slide Rule Keuffel & Esser Co. N Y Rul$19.9903-Apr-20070
Keuffel & Esser Slide Rule Polyphase Duplex No$19.9927-Apr-20070
Vintage Keuffel & Esser K&E Log Log Duplex Sli$19.9919-Apr-20070
Keuffel and Esser Decilon 10 Slide Rule and ca$18.5024-Apr-20070
"K&E Aristo #89 Slide Rule 6"" w/ nice leather$17.0029-Apr-20070
KEUFFEL & ESSER CO. N.Y. SLIDE RULE 4081-3 $17.0014-Apr-20070
Vintage Keuffel & Esser 4058W Slide Rule W/Cas$15.9906-Apr-20070
"Vintage,Slide Rule,Keuffel,Esser,Log Log Trig$15.9708-Apr-20070
OLD K & E KEUFFEL & ESSER OAK SLIDE RULE W/CAS$14.9926-Apr-20070
US Patent Print Keuffel K&E Slide Rule - Thach$14.9503-Apr-20070
US Patent Prints Keuffel K&E Slide Rule - Full$14.9504-Apr-20070
Kueffel & Esser Slide Rule 4053-3 W/Box Excell$13.9908-Apr-20070
VINTAGE KEUFFEL & ESSER 4058-C SLIDE RULE WITH$12.9915-Apr-20070
Nice Vintage Slide Ruler Keuffel & Esser co. w$12.9922-Apr-20070
K&E Slide Rule 4058W $10.0010-Apr-20070
K&E SLIDE RULE MODEL 4081-3 $9.9902-Apr-20070
US PATENT for K&E SLIDERULE 1913 slide rule Ke$9.9922-Apr-20070
"Keuffel & Esser Co., Log Duplex Slide Rule, c$9.9902-Apr-20070
K&E Slide Rule Manual $9.9918-Apr-20070
VINTAGE SLIDE RULE W/CASE KEUFFEL & ESSER K&E $9.9916-Apr-20070
Slide Rule 1941 K&E 4080-3S $9.9924-Apr-20070
SLIDE RULE POLYPHASE K&E KEUFFEL & ESSER MANUA$9.9901-Apr-20070
US PATENT for K&E SLIDERULE 1913 slide rule Ke$9.9901-Apr-20070
VINTAGE SLIDE RULE W/CASE KEUFFEL & ESSER K&E $9.9927-Apr-20070
US PATENT for K&E SLIDERULE 1913 slide rule Ke$9.9908-Apr-20070
"Early Keuffel & Esser 12"" Engineers Slide Ru$9.9925-Apr-20070
"3 Vintage Slide Rules - K&E, POST, LAWRENCE E$9.9918-Apr-20070
VINTAGE SLIDE RULE W/CASE KEUFFEL & ESSER K&E $9.9901-Apr-20070
Vintage Keuffel & Esser Wood Slide Rule w/ lea$9.9910-Apr-20070
VINTAGE KEUFFEL SLIDE RULE 68-1617 & POLYPHASE$9.9901-Apr-20070
"K&E SLIDERULE, TACRO DRAFTING TOOLS, & RAPIDE$9.9910-Apr-20070
"3 Vintage Slide Rules - K&E, POST, LAWRENCE E$9.9925-Apr-20070
1944 K&E Keuffel Esser Slide Rule Instruction $9.9905-Apr-20070
"RARE 10"" Keuffel & Esser Slide Rule w/Leathe$9.9904-Apr-20070
VERY OLD KEUFFEL & ESSER SLIDE RULE w/LEATHER $9.9901-Apr-20070
1916 Keuffel & Esser Slide Ruler #4058 $9.9913-Apr-20070
Vintage K E Keuffel Esser N-4053-3 Slide Rule $9.9922-Apr-20070
Keuffel & Esser Log Log Duplex Trig Slide Rule$9.9925-Apr-20070
US PATENT for K&E SLIDERULE 1913 slide rule Ke$9.9915-Apr-20070
K+E Slide Rules Manual $9.9910-Apr-20070
VINTAGE K & E POLYPHASE SLIDE RULE 1905 MINT W$9.9915-Apr-20070
VINTAGE SLIDE RULE W/CASE KEUFFEL & ESSER K&E $9.9909-Apr-20070
Vintage Keuffel & Esser Polyphase Slide Rule 1$9.9928-Apr-20070
2 Vintage Keuffel & Esser Slide Rules 4081-3 4$9.9918-Apr-20070
Vintage Keuffel & Esser Co. NY Slide Rule Rule$9.9917-Apr-20070
Vintage K+E Slide Rule w/ Box + Manual Lot $9.9915-Apr-20070
1900 Keuffel Esser Slide Ruler & Original Leat$9.9906-Apr-20070
US PATENT for K&E SLIDERULE 1913 slide rule Ke$9.9929-Apr-20070
Vintage Keuffel & Esser Slide Rule K E Slide R$9.9909-Apr-20070
ANTIQUE KEUFFELD & ESSER SLIDE RULE ( 6/5/1900$9.9930-Apr-20070
SLIDE RULE POLYPHASE K&E KEUFFEL & ESSER MANUA$9.9908-Apr-20070
SLIDE RULE POLYPHASE K&E KEUFFEL & ESSER MANUA$9.9930-Apr-20070
1926 Keuffel & Esser K&E Slide Rule Manual Log$9.9918-Apr-20070
K&E Wood Slide Rule Log Log Duplex Decitrig w $9.9520-Apr-20070
Keuffel & Esser Co. K & E Co. Beginner's Slide$9.9509-Apr-20070
VINTAGE KEUFFEL & ESSER SLIDE RULE W/CASE $9.9519-Apr-20070
Keuffel & Esser Co. K & E Co. Beginner's Slide$9.9502-Apr-20070
"KEUFFEL & ESSER Slide Rule 10"" 4092-3 U of M$9.9519-Apr-20070
1947 KEUFFEL & ESSER n4081-3 Slide Rule / case$9.5027-Apr-20070
KEUFFEL ESSER SLIDE RULE 4058 PLUS MORE $9.0005-Apr-20070
K & E POLYPHASE DUPLEX SLIDE RULE MANUAL 1938 $8.9915-Apr-20070
Vintage Keuffel & and Esser Slide Rule # 4088-$8.9903-Apr-20070
Keuffel & Esser Co. K & E Co Beginner Slide Ru$8.9519-Apr-20070
K&E LOG LOG TRIG SLIDE RULE #4080-3 W/CASE $8.5026-Apr-20070
1938 MANNHEIM SLIDE RULE MANUAL-KEUFFEL&ESSER $8.5016-Apr-20070
1945 K&E Log Log Duplex Decitrig Slide Rule Bo$8.5022-Apr-20070
K&E Slide Rule with Manual $7.9910-Apr-20070
"Antique Slide Rule, Keuffel & Esser Co. N.Y."$7.9910-Apr-20070
Polyphase Slide Rule Manual Keuffel + Esser 19$7.9906-Apr-20070
KEUFFEL & ESSER CO.Engineering Slide Rule $7.9501-Apr-20070
Vintage K&E and Lawrence Slide Rule Books. $6.9908-Apr-20070
Keuffel & Essler 4088-3 Polyphase Duplex Slide$6.9905-Apr-20070
1947 Vintage Keuffel & Esser SLIDE RULE N4081-$6.9926-Apr-20070
Keuffel & Esser Slide Rule-N4081-3-Copyright 1$6.9518-Apr-20070
Slide Rule Manual Keuffel & Esser K&E 1954 pol$6.0015-Apr-20070
KEUFFEL & ESSER CO. SLIDE RULE LARGE DESKTOP I$5.9920-Apr-20070
"VINTAGE KEUFFEL & ESSER SLIDE RULE DATED MAY $5.9920-Apr-20070
Manuel The Mannheim Slide Rule by Keuffel & Es$5.9518-Apr-20070
Keuffel &Esser Co New York K & E Slide Rule $5.0003-Apr-20070
1932 K&E Book/Log Log Duplex Slide Rule Manual$5.0011-Apr-20070
Vintage Keuffel & Esser Co. NY Slide Rule Rule$4.9925-Apr-20070
VINTAGE K & E SLIDE RULE TRIMAN W & G ENGLAND $4.9923-Apr-20070
Vintage Keuffel Esser Ruler Decitrig1923 Slide$4.9929-Apr-20070
KEUFFEL & ESSER COMPANY ENGINEERING SLIDE RULE$4.9908-Apr-20070
"K&E 18"" SLIDE RULE PARAGON MODEL #60 0518-19$4.9920-Apr-20070
Vintage Keuffel and Esser Slide Rule Case and $4.9905-Apr-20070
Vintage K&E Bamboo Pocket Slide Rule 4097-B $4.9527-Apr-20070
KEUFFEL-ESSER SLIDE RULE. $4.9523-Apr-20070
1900 KEUFFEL & ESSER OAK SLIDE RULE W/CASE 405$4.5026-Apr-20070
1945 K&E Log Log Decitrig Slide Rule Manual Bo$3.9901-Apr-20070
*Beginner's Slide Rule* KUEFFEL & ESSER #4058 $3.9503-Apr-20070
Vintage Keuffel Esser Slide Rule Math KE Tool $3.9524-Apr-20070
SLIDE RULE MANUAL KEUFFEL &ESSER CO. $2.9922-Apr-20070
Keuffel & Esser Slide Rule Model N4053-3 $0.9902-Apr-20070
Mannheim Slide Rule Complete Manual Keuffel & $0.9921-Apr-20070
VINTAGE KEUFFEL & ESSER SLIDE RULE MODEL 4053-$0.9915-Apr-20070
SLIDE RULE Manual Doric Kueffel 1947 SC 9068 K$0.9929-Apr-20070