Parallel Ruler
- Made:
- 1880-1900 in Manchester
- maker:
- J Halden and Company Limited
Parallel ruler, made by Joseph Halden Co. Ltd, Manchester.
Details
- Category:
- Mathematics
- Object Number:
- Y1979.6.2
- Materials:
- metal (unknown) and wood (unidentified)
- Measurements:
-
box: 34 mm x 255 mm x 70 mm, 709 g
- credit:
- Purchased From Mr H Tavernor