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== Summary == {{Information | description = The Greek ironclad {{ship|Greek ironclad|Hydra}}, photo received by ONI in December 1892. Photographed at Algiers, probably by Geiser. | source = [https://www.history.navy.mil/content/history/nhhc/our-collections/photography/numerical-list-of-images/nhhc-series/nh-series/NH-94000/NH-94217.html history.navy.mil] | date = Unknown, c. 1889–1892 | author = Unknown, probably J. Geiser | permission = | other_versions = | additional_in...