Vintage Post Hemmi No. 1447 duplex slide rule made in Japan, complete with original case.

This is a classic 10-inch engineer’s slide rule manufactured by Hemmi and branded for Post. Features multiple scales on both sides (duplex design) with a clear cursor for precise calculations. A great piece for collectors, engineers, or anyone interested in vintage computing tools.

Condition:
Slide rule is in good usable condition with normal wear from age and use. Scales are clean and legible. Cursor moves smoothly and is intact. Case is included and shows typical storage wear. No cracks or major damage observed.

Please review all photos carefully — what you see is exactly what you will receive.

A solid example of a mid-century calculation tool from one of the most respected slide rule manufacturers.