An unusual American JONES LIVE-MAP METER,

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An unusual American JONES LIVE-MAP METER,
inscribed JONES NEW YORK BROADWAY & 76 ST, the lacquered-brass frame with glazed cover, fixed pointer and 'fish-scale'-turned plate, the reverse with vulcanite plate inscribed Licensed for use only with charts and blank charts furnished by the Live-Map Meter Company. The use of this apparatus with other charts is an infringement. PATENTS PENDING, in leather case -- 10in. (25.4cm.) wide

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