Electrical engineering slide rule

Made:
1960-1965 in Nuremberg
manufacturer:
A W Faber-Castell

Electrical engineering slide rule, Elecktro model 1/98 by A. W. Faber-Castell, Germany in cardboard case with instructions.

Details

Category:
Mathematics
Object Number:
1998-800
Materials:
plastic and wood
Measurements:
overall: 15 x 300 x 40 mm
type:
slide rule (electrical engineering)
credit:
Mr G. Mentiply