[Drew Hause]

Thanks Daryl.
The author didn't try to address the C here
https://www.vintageguns.co.uk/magazi...roof-6-london-

Found the 1904 Proof House Revisions in The Gun and Its Development, 1907
http://books.google.com/books?id=3HMCAAAAYAAJ&pg=PA290
No specific mention of the 12 over C chamber lengths
LC is for chambers "more than 3 inches"



So the 1925 date is incorrect