The Aeroplane September i8, 1918 … STERLING" Iron Castings for Cylinders are made from a mixture of close grained iron which is unique in its wearing qualities and proof against the highest pressures in bore and water jacket. No cylinder leaves the works without passing a strict examination and a high water pressure tetet. Our…
Aeronautics -- Periodicals
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
