Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 132,188 pages of information and 209,710 images on early companies, their products and the people who designed and built them.
William F. Stanley of Great Turnstile, Holborn.
Mathematical, Drawing and Surveying Instruments.
1853 Company established.
William Ford Stanley was an inventor and engineer. He had 78 patents filed in the UK and US.
He designed and made precision drawing and mathematical instruments, surveying instruments and telescopes.
1866 Cycloscope for setting out railway and other curves. 
1885 New Protractor. 
1894 Advert.