Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 147,353 pages of information and 233,518 images on early companies, their products and the people who designed and built them.
The business of James Swinburne
c.1890 The company manufactured open circuit transformers, watt meters, etc
1892 Crystal Palace Electrical Exhibition. DC meters. 
1892 Presented a paper to Inst Civil Engineers on "Electrical Measuring Instruments"
1894 Started to practise as a Consulting engineer
Mr. Swinburne started Science Abstracts, and was editor at first.