It is if you can take the covers off & have a look at the metadata:—
1: It's a mechanical system, so they're rods & links, not pipes.
2: 5572 has Auto gear at both ends:—...
The GW had a viable (but complex) steam heat system in use by 1896 & in 1903 conducted a test:
Attached are some pdfs of talks given to the...
W220 & W221 were named "Thrush" and "Wren" respectively.
There exists a list of nine more names that were never applied:—
Separate names with a comma.