Online Books by
Peter Martin Heldt
(Heldt, Peter Martin, 1875-)
Books from the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Heldt, Peter Martin, 1875-: The automotive chassis (without powerplant) (Nyack, N.Y., 1948) (page images at HathiTrust)- Heldt, Peter Martin, 1875-: Automotive engines; design, production, tests (P.M. Heldt, 1933) (page images at HathiTrust)
- Heldt, Peter Martin, 1875-: The gasoline automobile : its design and construction. (The Horseless Age Co., 1912) (page images at HathiTrust)
- Heldt, Peter Martin, 1875-: The gasoline automobile : its design and construction (P.M. Heldt, 1916) (page images at HathiTrust; US access only)
- Heldt, Peter Martin, 1875-: The gasoline automobile : its design and construction (Horseless Age, 1913) (page images at HathiTrust)
- Heldt, Peter Martin, 1875-: The gasoline automobile : its design and construction (P. M. Heldt, 1920) (page images at HathiTrust; US access only)
- Heldt, Peter Martin, 1875-: The gasoline automobile : its design and construction (Horseless Age Co., 1911) (page images at HathiTrust)
- Heldt, Peter Martin, 1875-: The gasoline automobile : its design and construction (Horseless Age Co., 1915) (page images at HathiTrust; US access only)
- Heldt, Peter Martin, 1875-: High-speed combustion engines; design, production, tests (P.M. Heldt, 1939) (page images at HathiTrust)
- Heldt, Peter Martin, 1875-: High-speed combustion engines; design: production: tests. (P. M. Heldt, 1948) (page images at HathiTrust)
- Heldt, Peter Martin, 1875-: High-speed Diesel engines for automotive, aeronautical, marine, railroad and industrial use. (P. M. Heldt, 1947) (page images at HathiTrust; US access only)
- Heldt, Peter Martin, 1875-: High-speed Diesel engines for automotive, aeronautical, marine, railroad and industrial use, with a chapter on other types of oil engines (P.M. Heldt, 1943) (page images at HathiTrust)
- Heldt, Peter Martin, 1875-: High-speed Diesel engines for automotive, aeronautical, marine, railroad and industrial use, with chapters on other types of oil engines and gas turbines. (Nyack, N.Y., 1950) (page images at HathiTrust)
- Heldt, Peter Martin, 1875-: Torque converters or transmissions, for use with combustion engines in road and rail vehicles, tractors and locomotives; mechanical, hydraulic, electric, pneumatic, differential; stepped and continuously-variable; hand-controlled, automatic and semi-automatic. (Nyack, N. Y., 1951) (page images at HathiTrust)
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