File from the workshop of James Watt
Ridged, circular file with two thin lines engraved around centre of wooden handle from the workshop of James Watt.
This file would have been used to cut, smooth and finish metalwork. Makers, craftsman, engineers typically had many types and sizes of files to use on different parts.
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.