Plain calliper from James Watt's workshop
Plain calliper from the workshop of James Watt.
This calliper was used to measure external dimensions and the diameter of parts or objects.
James Watt was an inventor, mathematical-instrument maker and engineer. He had a workshop in Glasgow at the University where he made and sold mathematical-instruments such as quadrants, compasses and scales. Watt is best known for inventing a separate steam condensor for the Newcomen steam engine, improving its efficiency and making it cheaper to run.
- James Watt's Garret Workshop
- Object Number:
- Major J.M. Gibson-Watt
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