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TCoCD Pictures Slide Rules ECO BRA Nr. 1261

ECO BRA Nr. 1261
ECO BRA Nr. 1261: front (click for larger image, 50k)
front (click for larger image, 50k)

type:  
scales:  front:  top
    upper frame
    slide
    lower frame
cm
A
B, C
D
size:  length
  width
  weight
160 mm
32 mm
 
material:  frame & slide
  runner
aluminium
(missing)
production:  years
  country
 
 
TCoCD Pictures Slide Rules ECO BRA Nr. 1261

back to the main page  ECO BRA  no previous ECO BRA rule  The Collection of Calculating Devices  next ECO BRA rule: n.n. 
Deutsche Version
Deutsche Version

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