Showing Horizontal Section of Cylinders, Pistons, Valve, and Steam Chest of Port Huron Compound Engine. Port B is always open to C of Valve. Note improved manner of fastening Low-Pressure Piston to ...

The steam-powered car is considered an old-fashioned ... While the Doble's four-cylinder compound engine makes only 150 horsepower, it produces a staggering 1,000 pound-feet of torque, according ...

It was donated to the Museum by Mrs Bridson in 1968. This traction engine (or road locomotive) has a compound steam engine rated at 6 nominal horse power (4.48kW) and was intended for use on the roads ...