On October 5 Ivy reported the Head of Passes occupied by three vessels of the Union fleet, and shelled them with her bow pivot gun.
12.
In early 1819 the two ships USRC " Louisiana " were finished being built in New York City and fitted with one pivot gun each.
13.
Instead she opened fire on the Mexican batteries with her guns, one of which was a pivot gun which was set up in haste just after hostilities commenced.
14.
At the Battle of Mobile Bay on August 5, 1864, he " encouraged the men of the forward pivot gun when the officer in command displayed cowardice ".
15.
Additional round shot were observed scattered forward of the boilers and in the vicinity of the aft pivot gun, one possibly having been fired from " Kearsarge ".
16.
A "'pivot gun "'was a type of cannon mounted on a fixed central emplacement which permitted it to be moved through a wide horizontal arc.
17.
At about 11 : 15, after being fired upon from the shore batteries, " Wyoming " hoisted her colors and replied with her 11-inch pivot guns.
18.
In his own words describing the havoc caused by one well-placed shot with the " Massachusetts " rifled pivot gun, at the in October 1861 . }}
19.
Acting as the first loader of the pivot gun during this bitter engagement Bickford exhibited marked coolness and good conduct and was highly recommended for his gallantry under fire by his divisional officer.
20.
Swivel guns should not be confused with pivot guns, which were far larger weapons mounted on a horizontal pivot, or screw guns, which are a mountain gun with a segmented barrel.
