RELIABLE TYPEWRITER & ADDING MACHINE CO.,
Chicago, Illinois / USA (1940)
The adding machine came in a cardboard case with its stylus.
ADDITION and SUBTRACTION are operated in the SAME SLOTS
ADDITION with BIG Figures :
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When the figure is in the WHITE region PULL DOWN
When the figure is in the RED region PUSH UPWARD
with 10s-Carry in the UPPER REGION
SUBTRACTION with SMALL Figures :
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When the figure is in the RED region PUSH UPWARD
When the figure is in the WHITE region PULL DOWN
10s-Carry MUST BE DONE SEPERATELY!
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B o d y S i z e ( W * D * H ) = 3" * 4_3/4" * 1/8"
( = 76 mm * 120 mm * 4 mm )
impressum:
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© C.HAMANN http://public.beuth-hochschule.de/~hamann 08/15/12