He made some nice pictures too. You can check them out at the link above but there are larger images here. It looks like they're for sale too, although who knows how much.
Strange you did not notice it was a mortar disguised as an LF. The guy is aiming at an enemy tank on his ground glass. (This is an LF, cannon would be a ULF.)
Herbert Ponting and Frank Hurley both made exquisite photographs of Antarctic expeditions. Hurley mad hundreds of glass plates and made movies. These men were extraordinary men..Evan Clarke