Frederick Post Versalog 1460 Slide Rule Hemmi Japan Cursor Leather Case

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

Frederick Post Co. Versalog Slide Rule 1460 Hemmi Japan with Brown Leather Case

1951 VERSALOG Slide Rule Instructions Manual hardcover Frederick Post #DESIGN

Frederick Post Co. Versalog Slide Rule #1460 Hemmi BambJapan Brown Leather Case

Post Versalog Slide Rule #1460 with 23 Scales + Leather Case -- EXCELLENT

Frederick Post Co 1460 Versalog Bamboo Slide Rule Used by Cal Poly w/Compass

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