Plotting scales & offsets, British, 1847-1900

Made:
1847-1859; 1878-1900 in Portsmouth and Manchester
maker:
George Lee & Son and J Halden and Company Limited

Set of six scales with offsets for drawing plans, five scales and the box marked G. Lee & Sons Opticians, 33 The Hard, Portsmouth, 1847-1859, with the sixth scale marked Halden & Co. Manchester & London, 1878-1900, both England.

Details

Category:
Surveying
Object Number:
1986-1
type:
plotting scale and offset scale
credit:
Broughton, E.G.