- Gearless, 75 H.P
- Hercules, Model 101
- Frontenac, Model C, 40 H.P
- Gearless, 50 H.P
- Gearless, 60 H.P
- Covert Commercial Car, 12 H.P
- Frontenac Runabout, Model D, 40–45 H.P
- Chicago Coal or Gravel Truck
- Chicago Combination Pass. & Bagg. Car
- Chicago Truck with Winch
- Chase 2-Ton Truck, Model I, 30–40 H.P
- Chicago 6-Ton Coal Truck
- Chicago 6-Ton Coal Truck
- 10-Passenger Limousine
- Belden, 30 H.P
- Buggyabout, Model C, 14 H.P
- R & L Stanhope
- Sovereign, Model M
- Synnestvedt 2-Ton Truck
- Hercules, Model 140
- Hercules, Model 144
- Hill Touring Car, 35 H.P
- Hercules, Model 121
- Hercules, Model 128
- Hercules, Model 139
- Hercules, Model 106
- Hercules, Model 113
- Hercules, Model 120
- Hercules, Model 102
- Hercules, Model 103
- Pennsylvania, 35 H.P. Pennsylvania Auto Motor Co., Phil., Pa.
- Marion Model 7, 22–24 H.P
- Wolfe, Model A, 24 H.P
- Buggyabout, Model C, 14 H.P
- Aurora, Model 'A,' 14–16 H.P
- Waltham-Orient, Model B R., 4 H.P
- Albany Run-a-bout, Model 2, 4–6 H. P
- Man with a bicycle
- The Rocket 1830
- Boats on Nile about 2500 B.C.
- Caroche
- Shop engine, 1901
- The Wright Brothers Aero Engine
- First flight engine, 1903, cross section
- First flight engine, 1903, assembly
- First flight engine, 1903 rear view
- 4-Cylinder vertical engine assembly
- 4-Cylinder vertical engine assembly
- First flight engine, 1903