Great Northern Blueprint Number VL-7010-1, Vapor Car Heating Company Vapor Heating Corporation Drawing Heating Layout for Baggage Cars, 1949. Other subject categories: Drawing

Great Northern Blueprint Number 33105, Vapor Car Heating Company Drawing Number 268 2 1/2'' X 2 1/2 ''special Ell, 1944. Other subject categories: Drawing

Great Northern Blueprint Number 42112, Vapor Car Heating Company Drawing Number 1111 2 1/2'' Straight Port Train Pipe Valve, 1944. Other subject categories: Drawing

Great Northern Blueprint Number 40209, Vapor Car Heating Company Drawing Number 312, 2'' Steam Coupler Assembly, 1932. Other subject categories: Drawing

Great Northern Blueprint Number SK-1785, Vapor Car Heating Company Vapor Car Heating Company Drawing Number 404 Universal Joint and Operating Handle, 1924. Other subject categories: Drawing

Technical Drawing 1219-25-18, Number 10, 15 Foot Spring Rail Frog, undated. Other subject categories: Drawing

Great Northern Blueprint Number 1191-32, B&S Patented Cattle Guard (also blueprint), 1906. Other subject categories: Drawing

Great Northern Blueprint Number 2169, Baldwin Locomotive Works, Cab Apron, undated. Other subject categories: Drawing

Great Northern Blueprint Number 680, Baldwin Locomotive Works, Radial Draw Bar, undated. Other subject categories: Drawing

Great Northern Blueprint Number 2188, Baldwin Locomotive Works, Motor Suspension, undated. Other subject categories: Drawing