Matches in DBpedia 2015-10 for { ?s ?p "Battery Potter or "gun lift battery No.1" built in 1892 at Fort Hancock, New Jersey was the world's only disappearing gun battery that used hydraulic elevators to move the guns above a protective parapet wall. Battery Potter was also the first Endicott system battery to be partially armed."@en }
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- Battery_Potter abstract "Battery Potter or "gun lift battery No.1" built in 1892 at Fort Hancock, New Jersey was the world's only disappearing gun battery that used hydraulic elevators to move the guns above a protective parapet wall. Battery Potter was also the first Endicott system battery to be partially armed.".
- Battery_Potter comment "Battery Potter or "gun lift battery No.1" built in 1892 at Fort Hancock, New Jersey was the world's only disappearing gun battery that used hydraulic elevators to move the guns above a protective parapet wall. Battery Potter was also the first Endicott system battery to be partially armed.".