Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 140,320 pages of information and 227,382 images on early companies, their products and the people who designed and built them.
of 28 Deansgate, Manchester.
Firm established by James Edward Lea for the manufacture and sale of the Lea Patent Water Recorder with workshops near Deansgate, Manchester.
1911 Electrical Exhibition. Recorders and integrating apparatus. 
1913 the business was converted into a private limited liability company
1918 Works in Cornbrook Park Road were taken over.
1920 Issued book on the measurement of water over weirs and notches.