- Subject
- Compasses
- Item type
- Object
- Makers
- Ormiston & Glass
- Provenance
- Presented by Mrs Arnulph Mallock.
- Primary inscriptions
- "THE "KEYSTONE" [logo] COMPASS RULE", "ORMISTON & GLASS / LONDON E. C", "Reg: No. 417638."
- Physical material
- Plastic
- Object type
- Compass
- Dimensions
- Height: 2mm Width: 316mm Depth: 25mm Weight: 0.016kg
- Inventory No
- 34378
- Accession Number
- 1933-46
Description
A straight rule with 12 inch scale used for drawing circles. There is a fixing hole at the origin and a series of holes at quarter inch intervals for use with a pencil point.
Related Items
More related items
Straight Slide Rule For Chemical Equivalents, by Cuff, London, Early 19th CenturyInventory Number 47057
Magnetic Compass, by Spencer & Co., London, Early 19th CenturyInventory Number 38892
Otis King's Cylindrical Slide Rule, by Carbic Ltd, London, Early 20th CenturyInventory Number 55087
Straight Slide Rule For Chemical Equivalents, by W. Cary, London, Early 19th CenturyInventory Number 40514