Merryweather & Sons

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).

Fire appliances

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 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. A common size, popular with Borough fire brigades, was the double vertical boiler, that could pump between 250 and 450 gallons per minute. Merryweather also provided hydrants and mains water supplies for highly vulnerable sites such as theatres, where getting a strong enough supply of water could be a problem.

Dock fires were a particular problem, as the hand-operated appliances of the time had neither the reach nor the power to tackle a blaze on a boat or their large warehouses. After successfully demonstrating the improvement of the steam-powered devices fighting petroleum fires at Antwerp docks, Merryweather's appliances, with their distinctive crews wearing Merryweather helmets, soon became synonymous with firefighting in Britain and abroad,[1] alongside their rivals Shand, Mason.

They also built specialist fireboats, such as a steam-powered fire-fighting barge for the port of Alexandria,[2] designed to pump 1,200 gallons per minute to a height of 200 feet.

The first motorised fire engine in London was a Merryweather appliance delivered to the Finchley Fire Brigade in 1904. It was commemorated in April 1974 by the issue of a 3.5 pence Royal Mail postage stamp. The actual vehicle is preserved in the reserve collection of the Science Museum at RAF Wroughton, Wiltshire. Another notable survivor is the UK's oldest known aerodrome fire/crash tender, a 1937 Merryweather with a Commer engine and chassis, now preserved in running order at Brooklands Museum in Surrey.

Tram engine production

Merryweather supplied the steam machinery for John Grantham's steam tramcar in 1873. Between 1875 and 1892 the factory produced about 174 steam tram engines, of which 41 were used in Britain, 46 in Paris, 6 in Kassel, Germany, 15 to Barcelona, 15 in the Netherlands, 11 in New Zealand and 15 in Rangoon.

Preserved tram engine

In the Dutch Railway Museum at Utrecht is tram engine RSTM 2, built in 1881 (or 5?, built in 1882?)

Other products

At the 1904 Royal Horticultural Society Show in London, Merryweather received a gold medal for a range of petrol motor driven plant[3] including :

  • A compact 12 hp motor driven centrifugal pump for irrigation purposes (300 gallons per minute)
  • A small hop washing plant driven by a 2 hp 'bicycle' motor
  • A general purpose estate pump using an 8 hp motor, and three throw Hatfield pump

An unusual Merryweather product was a Moving Wall for the Royal College of Physicians.


  • History of the Steam Tram by H. A. Whitcombe, published by the Oakwood Press in 1961
  • A History of the British Steam Tram, Volume 1, by David Gladwin, Published at Sutherland in 2004: pages 78 – 86
  • Tramway Lokomotiven by Walter Hefti, published by Birkhauser Verlag in 1980: pages 113 -116
  • The House of Merryweather: A Record of Two Centuries. Merryweather & Sons Ltd, (attributed to James Compton Merryweather). Published by Merritt & Hatcher Ltd, 1901.


  1. The Times 17 September 1866 Another Large Petroleum Fire In Antwerp
  2. Steam Fire Float For Egypt, The Times, 21 April 1886
  3. "A New Field for the Petrol Motor", Automotor Journal, 18 June 1904, pp735-736
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