Recent Improvements In The Art Of Signaling For Military And Commercial Purposes: The Finley Helio-Telegraph And Its Modifications. One Instrument For ... Work. A New Method And Improved Apparatus

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• • Author: American Helio-Telegraph and Signal L
• • Publisher: Legare Street Press
• • Publication Date: Oct 27, 2022
• • Number of Pages: 210 pages
• • Language: English
• • Binding: Hardcover
• • ISBN-10: 1019126892
• • ISBN-13: 9781019126899