[3] Managing director John Morris junior invented a compound in a froth-forming liquid charged with carbonic acid gas which when sprayed on a fire prevents combustion by excluding oxygen.
It was built in 1909 after Morris and Sons had already turned out from its works a large number of motor-driven first-aid engines, tenders, and fire-escapes.
The capacity of the standard pump offered by this maker was rated at 350 gallons per minute although an alternative 450-gallon pattern was also available.
[10] Manchester Corporation acquired its first self-propelled units in 1911 including a John Morris motor pump of 500-gallon capacity.
The war diverted production but a three-ton Belsize chassis was equipped by John Morris and Sons with a 350-gallon pump in 1917.
[11] In 1952, John Morris and Sons offered a 100-foot turntable pump escape on a Leyland Beaver haulage-type chassis.
The usual compartment behind the driver's cab seated a crew of four, and at the sides and rear of the platform were lockers for storing hose, monitor branches, unions, tools and other equipment.
[12] Siebe Gorman, manufacturers of diving and breathing apparatus, bought John Morris and Sons for cash in January 1970.