Very nice SUN HEMMI No. 153 Bamboo Duplex Slide Rule, vintage circa 1933 - 1942.

Vintage Post Hemmi No. 1491 Slide Rule With Leather Case

GERMAN ARISTO Nr.0970 CHARVOZ SLIDE RULE WITH LEATHER CASE

Post 1446 Hemmi Slide Rule, Occupied Japan + Original Case

Post Versalog 1460 Slide Rule Hemmi Japan w/ Leather Case Vintage Engineer

Vintage Pickett Metal Slide Rule ModelN 531-Es Log Exponential W/Case/Box/Manual

Post 1444 5" slide rule -Hemmi Japan, similar to 1444K model, but no K! w/sleeve

Vintage Pickett Model 400 Slide Rule Saddle Leather Case 1950's Chicago USA