Definitions
from The Century Dictionary.
- noun A front sight placed on the rimbase of a cannon. A lug is usually left on the curved surface to form a base for the sight.
Etymologies
Sorry, no etymologies found.
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Examples
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The trunnion-sight is designed to be used only when the required elevation passes the limits of the other sights.
Ordnance Instructions for the United States Navy. 1866. Fourth edition. United States. Navy Dept. Bureau of Ordnance
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Officer of the piece, who sets the trunnion-sight at the proper degree of elevation and clamps it there.
Ordnance Instructions for the United States Navy. 1866. Fourth edition. United States. Navy Dept. Bureau of Ordnance
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The 2d Captain, having adjusted the trunnion-sight [44] to a given angle with the axis of the bore (usually 45°), orders "Raise" or
Ordnance Instructions for the United States Navy. 1866. Fourth edition. United States. Navy Dept. Bureau of Ordnance
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All the crew, except Nos. 1 and 2, will bowse on train-tackles, until the mortar is in the desired direction, when the order "Well!" will be given by No. 2, who attends spirit-level and trunnion-sight.
Ordnance Instructions for the United States Navy. 1866. Fourth edition. United States. Navy Dept. Bureau of Ordnance
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