Vintage APF Mark 21 Electronic Memory Calculator With Box

Vintage APF Mark 40 Electronic Calculator Clean TESTED

Vintage Rockwell Model 21R Digital Calculator with Memory

Vintage APF Mark 21 Electronic Memory Calculator With Case *Untested

VINTAGE 1973 APF MARK VI Calculator Model MARK-6 Tested and Working

Vintage APF MARK 24 Calculator with Case & Green Display , Made in Japan

Vintage APF Mark 2201 LCD Electronic Slide Rule Calculator w/ Manual Taiwan Ok

Vintage APF 180 Electronic Printic Calculator with Display and Memory