- Subject
- Measurement
- Item type
- Object
- Primary inscriptions
- N.P.L. DESIGN’ + ‘S [crown] 0.53-22
- Physical material
- plastic
- Object type
- Ruler
- Dimensions
- Height: 311mm Width: 33mm Weight: 0.05kg
- Inventory No
- 15144
Description
Modern, straight, off white ruler for the National Physical Laboratory. The ruler is 12 inches in length and has been modified by Mr Whillock. It has been cut flush at one end and red marks added at 25mm divisions to represent 'metir inch'.



