Description
Engineer’s two fold box wood Railway Timber Content slide rule to Burt’s provisional patent No 3551 for railway weight tables (c.1893). Used for calculating railway weights.
Slide Rule
1981/007
Engineer’s two fold slide rule to Burt’s provisional patent No 3551 for railway weight tables
c.1893
Additional information
| Acquisition Number | 1981/007 |
|---|---|
| Item Type | |
| Short Description | Engineer's two fold slide rule to Burt's provisional patent No 3551 |
| Manufactured by | |
| Date of Manufacture | c.1893 |
| Sub-items | None |
| Supporting Items | None |
| Makers Number | 156 |
| Marks | None |
| Dimensions (mm) | 610 x 25 x 4 |
| Donor | |
| Date Donated | May 1981 |
| Materials | Wood and brass |
| Condition | Good |
| Display Location |
