donkey engine

Papa, you call that little bit of a tiny wee engine a donkey-engine, don't you?

I screamed with horror, ran across the guarded plank, climbed the gate, and fell headlong and screaming over the donkey-engine.

Thus a donkey-engine is often stationed on the deck of a ship to work a crane for loading and unloading.

It seems, under his suggestion, that Wada trapped a rat in the donkey-engine room.