• This is the front side of the slide rule and its case.
    This is the front side of the slide rule and its case.
Sun Hemmi/Geotec Model 341
Sun Hemmi/Geotec Model 341
Sun Hemmi/Geotec Model 341
Sun Hemmi/Geotec Model 341
Sun Hemmi/Geotec Model 341
Sun Hemmi/Geotec Model 341

Slide Rules! ➔ Sun Hemmi/Geotec Model 341

physical object

Identifier
2018.10.2
Description
The Geotec 341-3526 was manufactured by the Sun Hemmi company in Japan for sale on the Canadian market. When these devices were originally imported they were branded with the Hughes Owens logo, but sometime around 1968-1969 they began to be branded with the Geotec logo. This Slide rule is made of bamboo and comes in a plastic carrying case. The manufacturers date code "TF" indicates that this slide rule was manufactured in June of 1969.
Related Term
slide rules (describes)

Related people
Trevor R. Grove (was donor of)
Tyler Savard (is documentarian of)