Parsons Motor Co
Parsons Motor Co of Town Quay Works, Southampton, makers of marine and automotive engines.
1904 Company founded by Harry Parsons to develop the paraffin engine (an oil engine with electric ignition) for marine and stationary purposes.
1904 Public company: Parsons Motor Co
1906 March. Details of the Parsons marine motor..
1908 Company made private.
1913-1917 For a list of the models and prices of Marine Motors see the 1917 Red Book
1920 April. Issued catalogue on their marine installations including auxiliary yachts, commercial craft, motor cruisers, Government craft and motor launches 
Became the Parsons Oil Engine Co of Town Quay Works, Southampton, makers of marine and automotive engines.