Thanks for sharing--these are interesting rarities.
* that's almost certainly Watervliet Arsenal; and
* as impressive as a 12-inch railway gun is, in World War II the Germans deployed against Sevastopol and Stalingrad a pair of 31.5-inch railway guns.
Dave. Thanks for the catch. Totally fat fingered that in there. When I get home I’m going to try and upload the Krupp V5 image. She’s a beast!