- 4-Cylinder vertical engine assembly
- 4-Cylinder vertical engine assembly
- Boats on Nile about 2500 B.C.
- Caroche
- First flight engine, 1903
- First flight engine, 1903 rear view
- First flight engine, 1903, assembly
- First flight engine, 1903, cross section
- Man with a bicycle
- Shop engine, 1901
- The Rocket 1830
- The Wright Brothers Aero Engine