yes it looks like a Douglas...and yes he is indeed a stationery engine man...cheers malcolm PS saw a generator from one on an old inventors farm..he had 2 home made generators one with the Armstrong Siddley engine and the other one had a generator from a Landing craft which he said was Canadian! he was quite a character..came from the Aristocrcy..the locals called him the Black Prince...name of Houston and he invented the mordern potato picking machine!best regards malcolm