
Supercharger Patent, 1942
United States Patent Nº 2,290,884, granted 1942. The drawing shows a symmetrical section through a twin rotor supercharger for an internal combustion engine. Reproduction of a public domain patent document.
€29.95

United States Patent Nº 2,290,884, granted 1942. The drawing shows a symmetrical section through a twin rotor supercharger for an internal combustion engine. Reproduction of a public domain patent document.
€29.95