Make keuffel esser usa model log log duplex decitrig 68 1210 notes 1 this was one of the latest of the log log duplex decitrig family of rules an earlier one is the 4081 03 which has similar scale complement the range was introduced in 1937 the rules were made of celluloid on mahogany. The log log duplex decitrig slide rule with f scale 4082 3 ke this instruction manual is for the 4082 3 radio special slide rule that is a 2nd edition 4081 3 with a f scale replacing the k scale. Keuffel esser 4081 3 log log decitrig duplex slide rule keuffel esser 4081 3 log log decitrig duplex slide rule previous he moved on to the next college post was kes main competitor post slide rules had bamboo cores that provided very smooth movement important for precise settings hope this is of interest joe fisher. Keuffel esser 4081 log log duplex decitrig manual this manual was written for the k e 4081 series of rules but it covers most of the variations on that model a number of these models can be seen at my keuffel esser page. The 4081 3 family of slide rules became the main stay for the ke line of slide rules in the 1940s 50s and 60s n4081 5 20 log log duplex decitrig 4181 1 5 log log duplex decitrig plastic 4181 1c 5 log log duplex decitrig plastic green leather sheath without pocket clip
How it works:
1. Register Trial Account.
2. Download The Books as you like ( Personal use )