W*D*H = 6" * 8_3/4" * 4_1/4" ; 1_1/4 lbs = 570 g = 15 cm * 22 cm * 11 cm The TOY ADDING MACHINE is made of sheet metal and is operated with fingers. There is NO RESET lever: All digits have to be reset to ZERO individually. Only ADDITION is performed. For SUBTRACTION 9-Complement "Addition" has to be used. ( For DETAILS see the INSTRUCTIONS to the BURROUGHS CALCULATOR ... ) WOLVERINE SUPPLY & MFG. CO. Pittsburgh, Pennsylvania / USA (1950) impressum: ****************************************************************** © C.HAMANN http://public.BHT-Berlin.de/hamann 07/13/10 |