Semi or quasi heraldic symbol used on certain locomotives of the Canadian Pacific Railway in the late 1930s thru the 1960s. Found generally under the cabs of the semi-streamlined steam engines constucted under Mechanical Chief Henry Blaine Bowen from 1928-49. On the freight engines and certain of the passenger engines constructed in wartime ( WW2 ) ( 2-8-2s and 4-6-2s ) depicted as shown here with a black backgound. With a tuscon red backgound it was found on the elite passenger engines ( 4-6-2s & 4-6-4s and also the 2-10-4s ) including the Royal Hudsons ( 4-6-4s ) ( so called because one of them pulled King George VI and Queen Elizabeth on their tour through Canada in 1939) Also used in the 1950s & 60s on certain of the first generation diesel engines. On the diesels they were usually found on the front of the engine.
Some of these engines have been photographed and filmed in the US: In Maine, NH, VT, MA, PA and elsewhere in the Eastern US up at least to 1979. They went thru ME regularily on the CPR subdivision, the Intl of Maine, making connections between Montreal and St. Johns in New Brunswick. And between Montreal and Boston. dqw 2013 0112
