United States of America
The US manufactured a wide range of rules to suit all pockets, from wood with
painted scales up to sophisticated all metal rules. Presumably because of the size of the
internal market, they do not seem to have sold widely overseas. 
Maker 
Model 
Notes 

Origin 
Aucmath 
511 Mannheim Professional 
A basic, all metal, rule 


Dietzgen 
Maniphase Multiplex  1732 
A fairly straightforward log log rule. 


Lawrence 
USA 
All wood, very cheap but very effective. 


Pickett 
Microline 120 
Very much a starter rule 


Pickett 
Microline 140 
A lot of functionality for a small price 


Pickett 
N902ES 
Detailed instructions for use on the back. 


Pickett 
N903ES 
Has tables of conversions on the back 


Pickett 
N904ES 
Has decimal keeping scales on the back. 


Picket 
905ES "Texas speed rule" 
A favourite rule for slide rule speed and accuracy competitions in
Texas. 


Pickett 
N515T Electronic 
Made especially for the Cleveland Institute of Electronics . 


Pickett 
N 531ES 
Made especially for the Capitol Radio Engineering Institute 


Pickett 
N500ES 
One of a pair with a matching 5" rule 


Pickett 
Decipoint 
An early rule from this maker with special scales for decimal point
calculation. 


Pickett 
Model 2 
Three (and a bit) variations of this rule are identified 


Pickett 
N3ES Power log exponential 
One of Pickett's most complex rules. 


Pickett 
N4 T Vectortype Loglog 
This rules has 34 scales. 


Post 
1460 Versalog 
The plastic on bamboo makes for a really smooth action 

^{ } 
Post 
1447 
A rebadged Hemmi rule 

^{ } 
Keuffel and Esser 
4058W 
This is a basic rule with useful settings for conversion factors 


Keuffel and Esser 
40813 
Has several displaced and inverted scales for speed use 


Keuffel and Esser 
68 1210 
A descendant of the the above rule. 


Keuffel and Esser 
Decilon 
One of the most comprehensive rules made in the USA 


Keuffel and Esser 
40833 Loglog Duplex vector 
One of the few rules with hyperbolic functions 


Keuffel and Esser 
Analon 
Used for dimensional analysis  a most unusual rule. 


Sterling 
Precision 
A fairly basic plastic rule 


Sterling 
Decimal Trig Multilog 
A much more comprehensive rule than the above. 


Richardson 
1776 
A tin plate rule 

