A stationary steam engine with a large oscillating beam that transmits the vertical movement of the pistons to a crank or pump.
More example sentences
- As shown in the engravings, a vertical beam engine placed on the top deck just forward of the boilers drove the paddle wheels.
- It had replaced the original beam engine at the mill in 1901.
- They also included such icons of industrial progress as the great beam engine designed by James Watt, which now dominates the entrance hall to Sydney's Powerhouse Museum.