What company as a pioneer in the manufacture of the oil engine and had a Gothic Revival mansion built for its founder?
St Vincents Hall St Vincents Hall, Grantham, is a Gothic Revival mansion built in 1868 for the industrialist Richard Hornsby who founded Richard Hornsby & Sons, engine and machinery manufacturer.
William S. Harley William Sylvester Harley (December 29, 1880 – September 18, 1943) was an American mechanical engineer and businessman. He was one of the co-founders of the Harley-Davidson Motor Company.