Board of Fortifications
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Several boards have been appointed by US presidents or Congress to evaluate the US defensive fortifications, primarily coastal defenses near strategically important harbors on the US shores, its terri
Board of Fortifications report, 1886
Endicott Period battery with two guns on disappearing carriages
10-inch disappearing gun at Battery Granger, Fort Hancock, New Jersey
Fire control searchlight at Fort Baker, California
Disappearing gun
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A disappearing gun, which is a gun mounted on a disappearing carriage, is an obsolete type of artillery which enabled a gun to be hidden from direct fire and observation. The overwhelming majority of
Board of Fortifications
…Endicott Era Defenses were born. Endicott Era Forts were constructed with concrete walls that concealed large, breech-loading rifled cannons mounted on "disappearing carriages". These disappearing carriages allowed the new, rifled cannons to be raised above the walls, aimed, and fired, and then quickly moved back underneath…
British 64 pounder rifled muzzle-loading (RML) gun on a Moncrieff disappearing mount, at Scaur Hill Fort, Bermuda
The BL 8 inch disappearing gun of the South Battery, at North Head in Devonport, New Zealand
Annotated photograph of an M1901 Buffington–Crozier disappearing carriage for an M1900 12-inch gun