What is the meaning of "AN ENGINE IS WHEELED"?
Someone put up this poster at work, and I don't understand the title. I assume it's relevant to the time period. But nowadays we say that engines can be stationary or wheeled. Is it that a steam locomotive is only an engine when it is on its wheels?
Someone put up this poster at work, and I don't understand the title. I assume it's relevant to the time period. But nowadays we say that engines can be stationary or wheeled. Is it that a steam locomotive is only an engine when it is on its wheels?