Vintage APF Mark 31 Slide Rule Calculator Blue VFD Display w/ Adapter & Manual For Sale

Vintage APF Mark 31 Slide Rule Calculator Blue VFD Display w/ Adapter & Manual

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Vintage APF Mark 31 Slide Rule Calculator Blue VFD Display w/ Adapter & Manual:
$24.99

​APF Mark 31 Calculator

​Original APF Model 751S AC Power Adapter / Charger

​Original APF Mark 31 Operating Instructions Booklet


Tested and working. Battery not included.

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