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gptkbp:instance_of
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gptkb:artillery
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gptkbp:associated_with
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Dreadnought battleships
British naval warfare
British Empire naval power
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gptkbp:barrel_type
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shells
monobloc
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gptkbp:caliber
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12 inches
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gptkbp:crew
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10 personnel
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gptkbp:decommissioned
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1940s
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gptkbp:deployment
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gptkb:HMS_Agamemnon
various Royal Navy ships
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gptkbp:design
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gptkb:Sir_William_Armstrong
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gptkbp:design_date
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1870s
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gptkbp:designed_for
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gptkb:naval_warfare
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gptkbp:elevation
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up to 30 degrees
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gptkbp:explores
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360 degrees
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gptkbp:famous_for
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long-range firepower
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gptkbp:fighting_style
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naval engagements
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gptkbp:first_introduced
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gptkb:HMS_Colossus
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gptkbp:historical_context
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Victorian era naval arms race
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gptkbp:historical_significance
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first large caliber breech-loading gun
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https://www.w3.org/2000/01/rdf-schema#label
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Armstrong Whitworth 12-inch gun
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gptkbp:influence_on
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naval artillery development
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gptkbp:inspired_by
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previous artillery designs
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gptkbp:legacy
|
influenced future naval gun designs
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gptkbp:length
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45 feet
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gptkbp:manufacturer
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gptkb:Armstrong_Whitworth
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gptkbp:mounting_options
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fixed mount
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gptkbp:notable_event
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gptkb:Battle_of_Jutland
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gptkbp:notable_features
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high muzzle velocity
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gptkbp:notable_for
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gptkb:World_War_I
gptkb:World_War_II
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gptkbp:notable_traits
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heavy armor-piercing shells
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gptkbp:operational_range
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15,000 yards
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gptkbp:range
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over 10 miles
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gptkbp:rate_of_fire
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1 round per minute
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gptkbp:recoil
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hydraulic recoil system
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gptkbp:replaced_by
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modern naval guns
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gptkbp:retired
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1945
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gptkbp:service_frequency
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1880s to 1940s
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gptkbp:sights
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telescopic sights
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gptkbp:successor
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BL 12-inch Mk I naval gun
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gptkbp:type
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breech-loading gun
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gptkbp:used_by
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gptkb:Royal_Navy
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gptkbp:used_in
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coastal defense
naval bombardments
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gptkbp:weight
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50 tons
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gptkbp:year_established
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1880
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gptkbp:bfsParent
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gptkb:Sir_William_Armstrong
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gptkbp:bfsLayer
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6
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