K&E Slide Rule and Carrying Case

physical object
Identifier
2026.14.1
Description
This is a slide rule and carrying case created by Keuffel and Esser Co. K&E was founded in 1867 and started manufacturing slide rules in 1891.

In the inside of the case is written, "Pierry Harty Berube 1959". The metal of the case is debossed with "PAT.2.000.337", which is the identifying number for the case. The leather of the case is embossed with the K&E symbol.
Related Term
slide rules (is described by)
Related people
Jean Marc Bérubé (donor)
Trellis Lepage (documented)