Origin of walking beam
Examples from the Web for walking beam
But at length, in 1844, the steam-whistle was introduced, and the "walking-beam boys" were left without occupation.Southern Stories|Various
It kept its place until the walking-beam was cast away, and the American horizontal engine came into almost universal use.Steam Steel and Electricity|James W. Steele
One end of the walking-beam reaches to the center line of the well, where it connects with the pump shaft.
I am sorry to say that three were injured by the falling of the pieces of the walking-beam.Within The Enemy's Lines|Oliver Optic
The other end of the walking-beam is operated by a pitman shaft connecting with a crank wrist pin near the ground.