W*D*H = 4_3/4" * 1" * 3" Weight (ca.) 1 lb = 450 g = 12 cm * 2.5 cm * 8 cm ; By pulling down the appropriate figures with its stylus, the "Chain-Adder" performs ADDITION. For SUBTRACTION 9-Complement "Addition" has to be used. ( For DETAILS see the INSTRUCTIONS to the BURROUGHS CALCULATOR ... ) To RESET the register, turn the right wheel counter-clockwise to 0...00. ( SN = 77897 ) Inventor: Abraham J.Gancher / 1904 AUTOMATIC ADDING MACHINE CO., New York, NY / USA (1907) impressum: ***************************************************************** © C.HAMANN http://public.BHT-Berlin.de/hamann 11/13/07 |