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 :
--------------------------------------------------
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!
                          ========================

B o d y   S i z e   ( W * D * H )  =   3"  *  4_3/4"  *  1/8"
( =   76 mm * 120 mm * 4 mm  )

Have a Look at the HISTORY

impressum:
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© C.HAMANN       http://public.BHT-Berlin.de/hamann        08/16/12