William Speirs Simpson
William Speirs Simpson (1845-1917) of the Simpson Lever Chain Co
Attended Glasgow University. Specialist in Metallurgy especially welding.
1877 Patent. '404. To William Speirs Simpson, of Battersea Park-road, London, in the county of Surrey, Mathematical Instrument Maker, for the invention of "a new or improved vent peg or tap."'[1]
Other patents listed
1896 Patent 186. William Spears Simpson, 166 Fleet Street, London. An improvement in or relating to the bridges of violins and similar stringed musical instruments.[2]
See Also
Sources of Information
- ↑ London Gazette Publication date:23 February 1877 Issue:24424 Page:934
- ↑ The Era, Saturday, January 25, 1896