back to the main page  Resulta  no previous calculator  The Collection of Calculating Devices  next calculator: Resulta BS-9 
Deutsche Version
Deutsche Version
TCoCD Pictures Mechanical Calculators Resulta BS-7

Resulta BS-7
Resulta BS-7 (click for larger image, 75k)
top view (click for larger image, 75k)
manufacturing date  
digits:   entry
  result
  counter
7
7
-
entry stylus
mechanism  
operation stylus
size:   width
  length
  height
  weight
85 mm
150 mm
110 mm
1360 g
Resulta BS-7: side view
side view 		Resulta BS-7: subtraction (click for larger image, 102k)
doing a subtraction (click for larger image, 102k)
TCoCD Pictures Mechanical Calculators Resulta BS-7

back to the main page  Resulta  no previous calculator  The Collection of Calculating Devices  next calculator: Resulta BS-9 
Deutsche Version
Deutsche Version

Copyright © Andreas Tabak, 1998 - 2006
Last update on 21-Jul-2007 		Guest Book    Legal Stuff    Sitemap    Navigation    FAQ   Feedback/eMail