Trunnion-sights
A Dictionary of Military Terms · 1918 · p. 22
Sights placed on the trunnions of rifled guns for laying them. There are two kinds, drop-sights and sorewed-in sights.
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Sights
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A Dictionary of Military Terms (1918)
Trunnion
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Chamber's Twientieth Century Dictionary (1908)
Trunnion
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Chamber's Etymological of the English Language (1895)
Trunnion
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Illustrated Marine Encyclopedia (1890)
Trunnion
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A Military Dictionary (1810)
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