Jack has been dead since 2015:

https://shootingsportsman.com/john-frederick-jack-rowe-1936-2015/


He apprenticed at Wright’s, and, I’m guessing he wouldn’t do the punch methods of repair to English best guns, in England. He fixed guns here in the states, and dealt with more run of the mill stuff.

TIG welding, as applied to soldered and brazed gun barrels is a more recent phenomenon.

Best,
Ted