US1211399A
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Sighting apparatus.
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GB191501949A
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Improvements in the Sighting of Ordnance.
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GB191501947A
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Improvements in the Sighting of Ordnance.
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GB191418351A
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Improvements in the Sighting of Ordnance, Machine Guns and Small Arms.
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GB191213985A
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Improvements in or relating to the Sighting Devices of Small Arms and Ordnance.
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GB191119385A
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Improvements in or relating to the Sighting Devices of Small Arms and Ordnance.
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GB191002129A
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Improvements relating to the Sighting of Guns.
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GB190913571A
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An Improved Method of and Means for Testing the Accuracy of the Sights and the Bores of Guns.
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GB190900985A
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Improvements in and relating to Sighting Apparatus for Ordnance.
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GB190817371A
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An Improved Method of and Means for Testing the Accuracy of the Sighting Apparatus of Ordnance.
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GB190703826A
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Improvements relating to Instructional Devices for Artillery Purposes.
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GB190020693A
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A Range Finder and Follower
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CA284660A
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Advertising sign
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