Vintage Acumath Engraved Slide Rule Acu-Math Rule Co. W/Original Box

Acu-Math Slide Rule w/ Sleeve / Original Box

Vtg Acu-Rule Slide Rule w/Original Box ~ A B C D K Scale (Damaged Box)

Original Vintage Acu-Math 5 Inch Engraved Pocket Slide Rule in box

Original Vintage Acu-Math 12 Inch Engraved Pocket Slide Rule in box

Vintage Acumath No. 400 Mannheim Slide Rule w/ Instructions and Case Made USA

Vintage 1960 Acumath Acu-Math Slide Rule No. 150 W/ Box & All Paperwork- EX Cond

Vintage Acumath Engraved Slide Rule Acu-Math Rule Co. W/Original Case Manual