1981/007
Engineer’s two fold slide rule to Burt’s provisional patent No 3551 for railway weight tables (c.1893)
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.
For a short description of the item see: https://static1.squarespace.com/static/54ec9b40e4b02904f4e09b74/t/567fd89a1c1210eb4f678c7b/1451219098947/SIS_Bulletin_003.pdf.
| 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 | Unknown |
| 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 |
