1994/018
Faber-Castell engineer’s slide rule (1965)
Engineer’s slide rule complete with separate magnifying glass mounted in a folding frame for attaching to the cursor (1965).
A conventional log/log slide rule used for multiplication division etc. The magnifying glass significantly improves the users ability to read the scales.
[The mark “765” is the date code used by Faber-Castell for July 1965.]
| Acquisition Number | 1997/018 |
|---|---|
| Item Type | |
| Short Description | Faber-Castell slide rule, Unknown |
| Manufactured by | |
| Date of Manufacture | 1965 |
| Sub-items | Case for slide rule. Magnifying glass with plastic wallet. |
| Supporting Items | None |
| Makers Number | None |
| Marks | None, Slide rule: "765" and "AWT" (etched by hand). Magnifying glass: "Nr. 3L". Plastic wallet for magnifying glass: "3L". |
| Dimensions (mm) | Slide rule: 300 x 39 x 11; Magnifier: 50 x 36 |
| Donor | |
| Date Donated | November 1994 |
| Materials | Wood, white metal, plastic laminate and glass |
| Condition | Good |
| Display Location |
