Linear slide rules

     Home          Slide Rules          Accuracy          Linear          Circular          Cylindrical          Eximius Diu          Guestbook

Lawrence Engineering

American made wooden slide rule in good condition. Inscribed 'Lawrence engineering service, Wabash, Ind.' With original tin & cellophane cursor, all the numerals/ lettering are legible, as are the instructions printed on the back of the rule.

D Scale length: 188 mm. Significant digits: 2.9 to 3.9.


Copyright © 2012, Dave Hoyer.