Pocket Slide Rule Vintage Lot Of 10 Acumath Mannheim Sterling Borden
Includes all 10 pocket slide rules pictured. 5 - Acumath by Sterling #1240 pocket Mannheim slice rule 9 scales. 3 - Acumath by Sterling #1240 pocket Mannheim trig slice rule 7 scales.
2- Sterling #686 basic Mannheim 9 scales. Please see pictures for exact specifics and condition, there is discoloring and wear to packaging from long term storage. These are old vintage slide rules still in packaging.
Thanks for looking and good luck!