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ADDOMETER



DETAIL ...



Have a look at a NON-METRIC ADDOMETER ...

W*D*H = 11_1/2" * 2_1/4" * 5/8" = 29 cm * 6 cm * 14 mm ;  1 lb = 454 g
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With its stylus,  ADDITION  will be performed  by using the inner  BIG
figures, turning the wheels  clockwise.  SUBTRACTION  uses the outer
SMALL  figures,  turning the wheels  counter-clockwise.  To CLEAR the
register  pull the right lever to the right.  The stylus  get pulled
out of its holder by pulling the clearing lever.

RELIABLE TYPEWRITER & ADDING MACHINE CO., Chicago, IL / USA     (1955)

impressum:
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© C.HAMANN      http://public.beuth-hochschule.de/~hamann     02/12/06