Pickett Slide Rule No. 120 With Case Made in USA Vintage

Acu-Math No. 400 12" slide rule in Leather Case Made in USA

Accumath 400 Slide Rule w/ case and instructions Made in USA

Acumath No. 400 Slide Rule with Case Made USA Vintage

Vintage Acu-math Slide Rule - No. 400-With Case - Made in USA

VINTAGE ACUMATH NO. 400 SLIDE RULE WITH CASE NICE CONDITION MADE IN USA

Vintage Dietzgen No. 1767P Slide Rule With Case Made in USA

Vintage Sterling No. 587 Slide Rule Operating Instructions Slipcase USA Made