Slide Rule Versalog 1460 Frederick Post 12" + Leather Case

Frederick Post Versalog Slide Rule 1460 Hemmi Japan Brown Leather Case Vintage

Vintage Frederick Post Co VERSALOG 1460 Slide Rule with Original Leather Case

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

Vintage Post 1460 Versalog Hemmi Bamboo Slide Rule with Leather Case Japan

Vintage Frederick Post (POST) 1460 Versalog Slide Rule w/ Leather Case

Frederick Post Versalog 1460 Slide Rule Hemmi Bamboo Japan Leather Case Vintage

Frederick Post Versalog Slide Rule 1460 Hemmi Japan Brown Leather Case Vintage