Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 143,020 pages of information and 229,410 images on early companies, their products and the people who designed and built them.
of Whitechapel Road, London (1862)
of North London Iron Works, Wenlock Road, City Road, London, N.
Manufacturers of weighing machinery.
Presumably successor to Hart and Sons
1871 Exhibitor at the Royal Agricultural Show at Wolverhampton of weighing machines. 
1876 Exhibitor at the Royal Agricultural Show at Birmingham of weighing machines.