This is an original 1907 2-page article (one double-sided page) from the Scientific American Journal from September 28th (property of Munn & Company). This article is entitled "Wireless Telephony For The United States Navy" and is authored by Herbert T. Wade. This article details the use of the Audion and the Radio-Telephone Transmitter over the water.
CONDITION
This 104+ year old Item is rated Near Mint / Very Fine. Light aging throughout. Crease extending into image. No natural defects. No water damage. There is some bleed through visible on this cover.
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Product Type: Original Print Article; Black / White
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Grade: Near Mint / Very Fine
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Dimensions: Approximately 10.25 x 15.25 inches; 26 x 39 cm
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Authentication: Serial-Numbered Certificate of Authenticity w/ Full Provenance
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Protection: Packaged in a custom archival sleeve with an acid-free black board (great for display, gift-giving, and preservation)
Keywords specific to this image: transmission, signal, wave, electric, electricity, Morse Code, equipment, apparatus, tool, communication, transmit, transmitting, instrument, wire, receiving, receiver, De Forest, Connecticut, Virginia, telegraph, telegraphy, Naval, armed forces, military, defense
SCA1A9B28C07