Definitions
from The Century Dictionary.
- noun In gunnery: A short cylinder connecting a trunnion with the body of a cannon.
- noun The shoulder on the stock of a musket against which the breech of the barrel rests.
from the GNU version of the Collaborative International Dictionary of English.
- noun (Mil.) A short cylinder connecting a trunnion with the body of a cannon. See
Illust. ofcannon .
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun military, historical A short
cylinder connecting atrunnion with the body of acannon .
Etymologies
Sorry, no etymologies found.
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Examples
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After the breech-sight is adjusted, a parallel to the axis of the bore is to be drawn in the usual manner, and the front sight screwed in on the rimbase.
Ordnance Instructions for the United States Navy. 1866. Fourth edition. United States. Navy Dept. Bureau of Ordnance
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The rifled cannon in service have the breech-sight on the side of the breech and the front sight on the rimbase, which permits the gun to be accurately aimed and the object kept in view at all elevations.
Ordnance Instructions for the United States Navy. 1866. Fourth edition. United States. Navy Dept. Bureau of Ordnance
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Furthermore, with the sight on the right rimbase, it is not convenient for the 2d Captain to attend the screw without interfering with the aim.
Ordnance Instructions for the United States Navy. 1866. Fourth edition. United States. Navy Dept. Bureau of Ordnance
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The foundry number is also to be marked on the right rimbase.
Ordnance Instructions for the United States Navy. 1866. Fourth edition. United States. Navy Dept. Bureau of Ordnance
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-- These consist of a fixed sight upon the right rimbase, and a brass movable sight placed in a socket which is screwed into the rear of the reinforce at the breech of the gun.
Ordnance Instructions for the United States Navy. 1866. Fourth edition. United States. Navy Dept. Bureau of Ordnance
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The support for the sight is then to be fitted to the breech, at the distance from this line marked on the pattern-sight for its calibre, with the bottom of the sight-notch in the bar, exactly the height of the front sight (one inch) above the upper surface of the rimbase; the sight-bar perpendicular.
Ordnance Instructions for the United States Navy. 1866. Fourth edition. United States. Navy Dept. Bureau of Ordnance
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Tangent-sights placed on the side of the breech, with a fixed front sight on the rimbase, as in rifled cannon, will hereafter be supplied to all pivot-guns; and these will give the sight with equal accuracy at all elevations.
Ordnance Instructions for the United States Navy. 1866. Fourth edition. United States. Navy Dept. Bureau of Ordnance
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The rod being held parallel to the axis of the bore, with the side of the head pressing the rimbase, the knife-edge will be in a proper position to fall into the base line when moved to find it.
Ordnance Instructions for the United States Navy. 1866. Fourth edition. United States. Navy Dept. Bureau of Ordnance
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a centre line is to be drawn on the top of the left (or right) rimbase.
Ordnance Instructions for the United States Navy. 1866. Fourth edition. United States. Navy Dept. Bureau of Ordnance
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