Whitworth measuring machine in glass case with 2 '

Made:
Manchester
maker:
Joseph Whitworth and Company Limited

Whitworth measuring machine in glass case with 2 'V' plates, a mahogany box of measuring heads and an open spanner and a ring spanner.

Details

Category:
Industrial Metrology
Object Number:
1965-132
type:
micrometer comparator.
credit:
Board of Trade