Frederick Post Company Versatrig sliderule. This is the one I used most in highschool (though it belonged to my father).
Frederick Post Company; Versatrig; sliderule
Caption: Frederick Post Company Versatrig sliderule. This is the one I used most in highschool (though it belonged to my father).
Date: 2010:08:12
Location: Blaisdell Poly, Minneapolis, MN, USA
Keywords: Frederick Post Company; Versatrig; sliderule
Photographer: David Dyer-Bennet, Copyright 2010
Commenting is currently disabled.