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Vor 4 Tagen · Innovations in Telegraphy. Starting in 1872, Edison focused on improving the quadraplex telegraph system, which allowed telegraphs to send and receive four signals simultaneously on the same wire. While not a completely new invention, Edison’s work was an improvement on the duplex system created by Moses G. Farmer and Joseph Stearns. The Phonograph
Vor 5 Tagen · Erfindungen von Thomas Edison. Die Liste Edison's Erfindungen ist lang, immerhin hat er über tausend Erfindungen patentieren lassen und noch mehr erfunden. Als selbstgelernter Elektroingeneur im...
Vor 3 Tagen · Theodore Roosevelt, 26th president of the United States (1901–09) and a writer, naturalist, and soldier. He expanded the powers of the presidency and of the federal government to support public interest in conflicts between big business and labor and increased the U.S. role in world politics.
Vor 2 Tagen · Theodore Roberts: Joan the Woman: 1917 Eugène Silvain: Die Passion der Jungfrau von Orléans: 1928 Francis L. Sullivan: Johanna von Orleans: 1948 Camillo Benso von Cavour: Renzo Palmer: Giuseppe Verdi – Eine italienische Legende: 1982 Robert Cecil, 1. Earl of Salisbury: Henry Daniell: Günstling einer Königin: 1939 William Cecil, 2. Earl of ...
Vor 3 Tagen · Robert Clarke, actor. Alf Clausen, film composer. Hunter Cole, artist. Carrie Coon, actress. Joan Cusack, actress. Rich Dahm, co-executive producer and head writer of The Colbert Report. Richard Dauenhauer, poet. Richard Davis, jazz-bassist, recording artist, professor/educator at University of Wisconsin-Madison.
Vor einem Tag · The Cambridge Companion to Twentieth-Century Opera This Companion celebrates the extraordinary riches of the twentiethcentury operatic repertoire in a collection of specially commissioned essays written by a distinguished team of academics, critics and practitioners.
Vor 4 Tagen · The USS Arizona Crew List along with bios and pictures from the US Navy and US Marine crew members killed during the attach on Pearl Harbor.
