sentences:  In 1899, Merryweather produced the world's first successful self-propelled steam fire engine, the 'Fire King'; the first was dispatched to Port Louis on Mauritius.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.