Folder: S.F. Districts-Presidio-Guns.
Note on photo: "145 TONS OF DEFENSE - COMPTON, R. I.--Huge coast defense rifle is transported from Tiverton, Rhode Island, to Fort Church, near Compton, R. I., for installation. This great gun weighs almost 145 tons, is 68 feet long, and was hauled on a tractor with double trailers equipped with a total of 38 huge pneumatic truck tires. The semi-trailer and dolly-trailer each use 16 size 10.00-16 tires and the tractor uses two size 12.00-24 tires on front and four 14.00-24 tires on the rear. Approximate speed of the haul was two miles per hour.".
"Acme Newspictures Inc."