PRR A5 0-4-0

[BigMac]

Looks to me like it covered the top and had a swivel.

The Screened swivel thing by the stack is designed to catch hot embers and was used during the hot weather as switchers like to spend a lot of time on track with lots of weeds and fires were not welcomed, although the box like thing in front of the air pump contained a fire hose. Steam switchers sit and the fire can get ragged and when first starting up could send out a shower of sparks BigMac