15-inch guns meant for an Italian Francesco Caracciolo-class battleship, c. 1917. Only the lead ship was launched, but she was never completed.
Fullsize image: https://diqn32j8nouaz.cloudfront.net...n_fullsize.jpg
https://diqn32j8nouaz.cloudfront.net...leship_gun.jpg
Previously:
https://www.homemadetools.net/forum/...277#post176990
https://www.homemadetools.net/forum/...604#post170430
https://www.homemadetools.net/forum/...591#post174237
https://www.homemadetools.net/forum/...050#post176176
https://www.homemadetools.net/forum/...392#post116759
