Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 147,145 pages of information and 233,396 images on early companies, their products and the people who designed and built them.
of Buccleuch-street Works, Edinburgh.
The business of William Cowan (1833-1922)
1887 exhibited a meter for measuring water and other liquids.
1892 and 1898 Patents on governors for gas distribution systems.
Also see W. and B. Cowan who had the same address in Edinburgh