Rule, Slide
Object number2008.139.1 a,b
Manufacturer
Keuffel and Esser Company
Datec. 1881
OriginNY
MediumWood; Metal; Paper
Credit LineGift of Edward J. Reis
DescriptionSlide rule with wooden box. Turns on both ends by wooden knobs on each end. Metal ridges covered with paper printed with measurements on each ridge-side. Inner cylinder, also with printed measurements; turns. Mounted on rectangular base.DimensionsHeight x Length x Depth (a): 6 × 23.25 × 5.5 in. (15.2 × 59.1 × 14 cm)Height x Length x Depth (b): 6.375 × 24 × 8.5 in. (16.2 × 61 × 21.6 cm)
Inscriptions(a)
Metal ridges covered with paper printed with measurements on each ridge-side.
Inner cylinder, also with printed measurements.
Paper with print on top, under slide rule: entitled, "THACHER'S / CALCULATING INSTRUMENT. / DIRECTIONS AND RULES FOR / OPERATING."
Marks(a)
Metal plate on top right of base has text "Keuffel & Esser / New York / 288".
Related institution
Westinghouse
Terms
On View
On view
National Dealers Service
1918-1988
American Safety Table Company
1960
