Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 138,077 pages of information and 222,858 images on early companies, their products and the people who designed and built them.
Murch & Spence of Bridgwater Iron Foundry, Eastover, Bridgwater
1864 Partnership of Murch and Spence, between William Edward Murch and Robert Spence, iron founders and engineers of Eastover, Bridgwater, dissolved by mutual consent. Business to be carried on by Robert Spence 
1866 Advertising as Murch & Spence, Horticultural Engineers, &c.
1867 Bath & West of England Show: 'Messrs. Murch and Spence, of Bridgwater, exhibit a Fourneyron Turbine, an Appold or centrifugal pump, apple mill, double-action brick and drain-pipe machine, small hand power ditto, contractor's pump, double Roman tile mould, &c.'
c.1867 Supplied a two cylinder steam pumping engine to Saltmoor Pumping Station, near Bridgwater. This was photographed by George Watkins in 1934.  He postulated a date of 1867 - 70. Note: the text ascribes the engine to R. Spencer rather than R. Spence ('R. Spence' is visible on the nameplate).
1873 'On Friday a man named Kitch, in the employ of Messrs. Murch and Spence, whilst superintending an engine at Durston, got his left hand entangled in a portion of the machinery. Some of the fingers were crushed, and the hand otherwise lacerated.'
1873 Advertising as sole manufacturers and licensees for Yorath's Patent Fork Elevator (for Wilts, Dorset, Somerset, Devon and Cornwall)
A later business at the foundry was Murch and Culverwell
Engine production was continued by J. Culverwell, whose surviving engine shares some of the characteristic features (and possibly foundry patterns) with the Saltmoor engine