K&E K-12 Prep Slide Rule, 68 1892. Made by Keuffel & Esser Co., n.d., 1962-1972.
Entry/Object ID
2010.007.0033
Description
K&E K-12 Prep Slide Rule, 68 1892. Made by Keuffel & Esser Co., no date, circa 1962-1972. 10" all plastic (white Vinylite) slide rule except for metal spring in otherwise all-plastic indicator. Lacking: original case (plastic vinyl sleeve) or instructions. All markings are in a dark green ink matching the plastic bracket ends.
K&E general offices and factories were in Hoboken up to December 1968 and after that in Morristown, N.J. Actually made in Connecticut by K&E Salisbury Products Division. Item is only marked with "Keuffel & Esser Co.", "K&E" and "Made in U.S.A." plus the rule name and stock number.
Rule was introduced in 1962 and production ended in 1972. All scales are on the front of the rule; reverse is blank.
Acquisition
Accession
2010.007
Source or Donor
Lukacs, Claire
Acquisition Method
Gift
Credit Line
Museum Collections. Gift of a friend of the Museum.
