US729848A
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Galilean telescope.
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GB190219359A
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Improvements in Telescopes and Apparatus for Sighting Ordnance.
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GB190217321A
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Sighting Telescopes for Guns, and other Purposes
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GB190214519A
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Improvements in Telescopes
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GB190204657A
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Improvements in Gun Sighting Apparatus.
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GB190202852A
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Improved Apparatus for Sighting Guns
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GB190201228A
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Improvements in Gun Sighting Apparatus
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GB190117939A
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Apparatus for Sighting Guns.
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GB190117429A
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Improvements in Apparatus for Sighting Guns.
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GB190117181A
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Improvements relating to the Sighting of Guns.
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GB190115590A
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Improvements relating to Sights for Rifles and other Guns.
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US702048A
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Telescope.
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GB190107309A
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Improvements relating to the Sighting of Guns.
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GB190105990A
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Improvements in Optical Apparatus for use with Submarine Boats
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GB190101360A
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Telescopes for Sighting Ordnance and for other Purposes.
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GB190101359A
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Improvements in Means for Changing the Direction of Rectilinear Motion.
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GB190016791A
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Telescopes for Sighting Ordnance
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GB190012443A
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Improvements relating to Telescopes for Gun-sighting and other Purposes.
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US654949A
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Telescope for sighting ordnance.
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US670579A
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Apparatus for sighting ordnance.
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