1/87C slide rule by Faber-Castell.
Details
- Category:
- Mathematics
- Object Number:
- Y1991.142
- Materials:
- wood (unidentified), plastic (unidentified), cardboard and leather
- Measurements:
-
rule: 14 mm x 301 mm x 39 mm,
case: 22 mm x 311 mm x 51 mm,
- type:
- slide rule
- credit:
- Gift of Mr. F.B. Porges
