2010/003
Fearns circular slide rule
c.1967
Fearns circular slide rule in plastic with metal screw in centre and conversion factors on reverse (c.1967).
The rule is in three parts: the stock, transparent slide and cursor. The stock has the scales marked in blue. The scale on the transparent slide is marked in red. The cursor is black.
| Acquisition Number | 2010/003 |
|---|---|
| Item Type | |
| Short Description | Fearns circular slide rule |
| Manufactured by | |
| Date of Manufacture | c. 1967 |
| Sub-items | Black plastic case and instruction leaflet. The case has "CIRCULAR SLIDE RULE" printed in gold on the front. |
| Supporting Items | None |
| Makers Number | None |
| Marks | "Made by Fearns Calculators, Oakfield Drive, Whickham, Newcastle-U-Tyne" |
| Dimensions (mm) | 128 (dia) x 3 |
| Donor | |
| Date Donated | October 2010 |
| Materials | Plastic |
| Condition | Good |
| Display Location | William Arrol Building. Level 1. Student Crush Area. Case 14: Middle Shelf |
