The  STYLUS  was missing  -  An old  BallPointPen  is used  instead

RELIABLE TYPEWRITER & ADDING MACHINE CO.,
Chicago, Illinois / USA  (1940)

Only  A D D I T I O N  is performed.
For  SUBTRACTION  9-Complement  "Addition"  has to be used.
( For DETAILS see INSTRUCTIONS to the BURROUGHS CALCULATOR ... )

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        07/18/11