Fort Williams (Maine)
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Fort Williams is a former United States Army fort in Cape Elizabeth, Maine which operated from 1872 to 1964. It was part of the Coast Defenses of Portland, later renamed the Harbor Defenses of Portlan
10-inch disappearing gun at Fort Casey, Washington state, similar to those at Fort Williams.
Entrance to Fort Williams, circa 1907
Children look on as a heavy gun is moved to Fort Williams via South Portland's trolley tracks.
Battery Blair 12-inch disappearing gun emplacement in 2016 with Portland Head Light
QF 6-inch naval gun
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The QF 6-inch 40 calibre naval gun was used by many United Kingdom-built warships around the end of the 19th century and the start of the 20th century. In British service it was known as the QF 6-inch
Typical naval deck mounting. An early long cartridge case for gunpowder propellant is upended at bottom left, a shell stands next to the cartridge.
Loading a MK I or II deck gun on HMS Ariadne. The man at left holds a shell, the men at right hold brass powder cartridges. Note the coned breech screw and lugs on the underside of the breech ring to which recoil cylinders are attached
MK III gun at Fort Nelson. This shows the left trunnion (detailed in black) by which it is mounted on a Vavasseur recoil slide, and there are no lugs on the underside of the breech ring
The 6 starboard casemate guns on HMS Powerful