Vintage POST Slide Rule Co. bamboo duplex slide rule, manufactured by Hemmi in Japan. This is a classic professional-grade engineering slide rule from the pre-calculator era (circa 1950s–1960s). Features clear glass cursor, legible logarithmic and trigonometric scales, and metal end caps.

Includes original vintage leather slide rule case. Both the slide rule and case show normal cosmetic wear consistent with age and use. The slide moves smoothly and the cursor is intact. No cracks or warping observed.

A great collectible for engineers, machinists, slide rule collectors, or as a unique desk display piece.

Please review photos for condition details.