Eisco Labs Contact Key, Telegraphing/Morse Code, Double

Eisco Labs Contact Key, Telegraphing/Morse Code, Double

Book Title: Eisco Labs Contact Key, Telegraphing/Morse Code, Double

Publisher: EISCO


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Eisco Labs Contact Key, Telegraphing/Morse Code, Double

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Double contact Key - This very basic but well made device that is comprised of a plated Two spring arms with press knobs x 2, contact studs x 2 , and plated connecting strips x2. Size (L x W) 5" x2.5"