Slide Rule

1981/007

Engineer’s two fold slide rule to Burt’s provisional patent No 3551 for railway weight tables (c.1893)

SKU: 1981/007 Categories: ,

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.

For a short description of the item see: https://static1.squarespace.com/static/54ec9b40e4b02904f4e09b74/t/567fd89a1c1210eb4f678c7b/1451219098947/SIS_Bulletin_003.pdf.

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

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