A partially complete scratch-built five cylinder radial glow plug engine,
with finned cylinders, glow plugs, propeller boss and propeller with decals for Standard Ritz -- 6in. (15.2cm.) dia; a single cylinder diesel engine the body embossed BM with carburettor and propeller mount; and two other single cylinder engines (4)
A partially complete scratch-built five cylinder radial glow plug engine,
with finned cylinders, glow plugs, propeller boss and propeller with decals for Standard Ritz -- 6in. (15.2cm.) dia; a single cylinder diesel engine the body embossed BM with carburettor and propeller mount; and two other single cylinder engines (4)