Originally Posted by
Chugalug2
It was merely the airborne equivalent of the fireman, or "second man", rostered by BR on diesels where there was no fire to tend, but none the less he had a seat, a windscreen wiper, and an oven to heat the pies in!
Surely the Lufthansa 737-100s, the first built, had a Flight Engineers console. There are several references to this but I can't find a photo.
Some early US 737-200 users (United, Western, Piedmont) did initially have the "seat with nothing to do" arrangement which was a union thing.