Photo 56 is of Atbara class No. 3396 Brisbane, & taken prior to 1904. Clues: 1: Wheels are too big for a Bulldog; 2: Nameplate is full width...
The NRM 'OPC' list gives these:— 11752 G.A. of 4 wheel std. bogie for 25 ton boiler wagon GWR 11764 G.A. of 4 wheel bogie 4' WB for 35 ton...
https://www.youtube.com/results?search_query=measured+shovel+packing
Injector cones?
Found this shot on Flickr that confirms it: https://www.flickr.com/photos/the-evanses/8413976773
There used to be one off Paul Street, Taunton, in the yard that backed onto the old County Hotel. Now infilled, but the outline remains: [ATTACH]
It is if you can take the covers off & have a look at the metadata:— [ATTACH] [ATTACH]
Separate names with a comma.