International Workshop AP

Wolfgang Bode's mystery slide rule

20 cm plastic

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Slide rule Front and box Back and box
Left Right

Data:

  • Slide rule with a length of the scales 20 cm
  • CF/DF folded at root of ten
  • Made of a kind of plastic.
  • Formulas and conversion tables in English on the backside.
  • No trig-scales.
  • The well of the body is empty.
  • Marked “NO.83”

Questions:

  1. Who knows the manufacturer?
  2. How old could this be?