Hughes-Owens model 1768 slide rule
Hughes-Owens model 1768 slide rule made by Hemmi Bamboo Slide Rule Manufacturing Co Ltd in Japan, 1964-1968.
Hughes-Owens (Canada) began marketing slide rules manufactured to its specifications by Hemmi in 1912. This slide rule is the Hughes-Owens version of the Sun Hemmi 40RK student Mannheim slide rule.
Slide rule, closed frame, celluloid on bamboo, double-sided slide, metal-rimmed plastic cursor. Tables of useful constants and how to calculate with them on reverse of stock. It consists in three strips of bamboo attached together through a plastic panel in middle. Scales are engraved into celluloid in colour red and black.
This slide rule shows ware, and it is missing it’s top slide.
Although we try to give an accurate description, remember, this is a vintage item and there may be small imperfections from age or flaws from production that we have not noticed or noted in the comments. We try to list all the deficiencies, marks etc. Please review ALL pictures closely.
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