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细节
Primus collapsible lantern
W. Butcher & Sons Ltd., London; metal body, lacquered brass fittings, lens, condenser, with metal plaque stamped PRIMUS FOLDING LANTERN PATENT 18579
W. Butcher & Sons Ltd., London; metal body, lacquered brass fittings, lens, condenser, with metal plaque stamped PRIMUS FOLDING LANTERN PATENT 18579