Internal Combustion Engine History: Two Interesting Engines

An English engineer with a declared interest in internal combustion engine history discusses his 1933 oil engine and an acquaintance's 1907 gas engine.

Roller
A wartime need for scrap metal obliterated many of the machines that would have provided living links to internal combustion engine history in England. This 1933 Avelinq & Porter Roller owned by A. G. Walford of Colchester in Essex, England is one of the few of its kind left. 
PHOTO: A. G. WALFORD