Archive of Collections

Details and Image

TypeModel No.MakerCountryConstruction
DateScale LengthArea of Use
Long and Long Scale Slide Rules
K&E / 4110 Annapolis
Keuffel & Esser
Wood/celluloid veneers
33 cm
General Calculations

Notes: "This chunky Power Trig model was designed by four mathematics professors at the US Naval Academy in Annapolis, Maryland. Their goal was to speed up slide rule operations by simplifying the arrangement of the scales."

Image 1

Image 2

Image 3

Image 4

Image 5

Image 6

Image 7

Image 8

Image 9