"photographica" meaning in English

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          "ref": "2007 September 14, Dennis Hevesi, “Fred Spira, 83, Who Made Photo Gadgets Accessible, Dies”, in New York Times:",
          "text": "Many of those ephemeral devices, which experts refer to collectively as photographica, were used to illustrate the book.",
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        "Collectable photographic equipment."
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  "word": "photographica"
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  "word": "photographica"
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