Books by Harry R. Ricardo:
Books in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Ricardo, Harry R. (Harry Ralph), Sir, 1885-1974: The high-speed internal-combustion engine (Blackie & son, limited, 1935) (page images at HathiTrust; US access only)- Ricardo, Harry R. (Harry Ralph), Sir, 1885-1974: The high-speed internal-combustion engine (Interscience publishers, inc., 1941), also by Harold Stanley Clyde (page images at HathiTrust)
- Ricardo, Harry R. (Harry Ralph), Sir, 1885-1974: The internal-combustion engine (Blackie & Son, 1922) (page images at HathiTrust; US access only)
Find more by Harry R. Ricardo at your library, or elsewhere.