1851 Great Exhibition: Official Catalogue: Class VII.: Sanders Trotman
From Graces Guide
155. TROTMAN, SANDERS, Clarendon Road, Notting Hill — Inventor and Manufacturer.
Fountain for drawing and dining rooms, or boudoirs; requiring no supply laid on, or waste carried off, mechanical pressure forcing the water through the jet, which again falls into the reservoir, with the addition of a musical arrangement.
Night dial. A lamp is suspended upon a lever, the light from which is thrown upon each hour as it arrives.
Printing on glass for ornamental purposes, such as glazing conservatories, windows, etc., and for philosophical purposes, such as dissolving views, etc.
Coloured printing on glass.