Engineman

The engineman having only to turn two cocks, so as to connect the steam with the one or the other vessel."

Source: wiktionary

It was only when I sat, an hour later, disgustedly reflecting on this incident, that I remembered that there was always some 'hand-working' of the engine during the cage-descents, an engineman reversing the action by a handle at every stroke of the piston, to prevent bumping.

Source: wiktionary

When a train has to ascend the incline, it first runs down, engine first, from the station about 60 or 70 yards. Then comes behind it the aforesaid truck, or one similar, which, being attached to an endless wire rope, a communication is made by means of the electric telegraph to the engineman at the top of the incline, when the fixed engine begins to work, and the train, partly pulled by the locomotive before, and partly pushed by the truck behind, rapidly ascends, taking somewhere about three minutes to get up.

Source: wiktionary

As an aid to this end, and that the railroad companies may derive the highest efficiency from the man employed as a locomotive engineman, a code of questions is given him, and it is expected that the preparation necessary to correctly answer the questions will indicate how well he has progressed.

Source: wiktionary