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Dúplez telefónico - Duplex telephonic

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Author(s): Santos López, Pascual

Journal: Andelma
ISSN 1579-7805

Volume: IV;
Issue: 13;
Start page: 18;
Date: 2006;
Original page

Keywords: Duplex telephonic | History of Telegraphy | History of Telephony | History of Freemasonry

ABSTRACT
Only 19 years after a timid introduction of telephony in Spain and seven years before the founding of the National Telephonic Company of Spain, Pascual Salmerón Gómez records his two patents: "Duplex telephonic" and "Simultaneous duplex telephonic with telegraph machines". Two high technical complexity patents, registered in 1917 in the town of Arucas, province of Gran Canaria analyzed to our readers.Nephew of the inventor of the "Float Salmerón," José Salmerón Rojas and brother of Gerónimo Gómez Salmerón, inventor of "Cerealémetro" and owner of the theater Borras and with which we ended the saga Salmerón.
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