Steam-powered Fire Engine.

A 19th Century horse-drawn London fire engine made by Merryweather & Sons, photographed at the National Railway Museum in York, England.

Merryweather & Sons of Clapham, later Greenwich, London, were builders of steam fire engines and steam tram engines. The founder was Moses Merryweather (1791–1872) of Clapham, who was joined by his son Richard Moses (1839–1877).
The Merryweathers worked with the engineer Edward Field to fit his design of a vertical boiler onto a horse-drawn platform. They successfully applied it for use in their steam fire engine, thus improving water pressure and making it easier to use once steam had been got up. It was reckoned that an engine could get up enough pressure to pump within ten minutes of a call out; the fire could be started before leaving the fire station so there would be enough pressure by the time they arrived at the scene of the fire.
Appliances were available in small sizes suitable for a country house, pumping about 100 gallons per minute, through to large dockyard models, rated at 2000 gallons per minute.
(Wikipedia).

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