It's a long reach to the air pump when you're dealing with a locomotive with 80-inch drivers; PRR K4s No. 1361 (Juniata, 1918) is stopped for some minor adjustments on its first excursion after restoration in 1987. This view affords a good look at the 36" combustion chamber location, which extends from near the front of the grates to the front of the square-shouldered Belpaire firebox top.
