To be successful, they only needed to build a working Brother cell phone list transmitter with a membrane capable of altering the current of electrons and a receiver capable of reproducing these audible frequency changes. 'gentlemen. Watson, come here" illustration Brother cell phone list Exterior and cross-sectional view of the microphone assembly of Alexander Graham Bell's first telephone. Alexander Graham Bell's first telephone microphone assembly. Contributor/Getty Brother cell phone list Images / Times Life Pictures June 2, 1875 Bell and.
Watson discovered that sound could be transmitted Brother cell phone list through wires while experimenting with harmonic telegraphy. This was a totally accidental discovery. Watson was trying to loosen the reed wound around the transmitter , but he Brother cell phone list accidentally unplugged it. The vibrations from Watson's actions traveled along the wires to a second device in another room where Bell was working. The "twang" Bell heard was Brother cell phone list what he and Watson needed to speed up their work. All Inspiration. Bell Patent No. 174,465, issued by the United States Patent Office on March 7, 1876, covering "Method and Apparatus for the Brother cell phone list Transmission of.
Voice or Other Sounds by Telegraph The sound or other Brother cell phone list sounds are accompanied by vibrations in the air. "Bell's Notebook, 1876 Alexander Graham Bell drew a diagram of his telephone in one of his. Notebook, dated 1876. Public Domain/Library of Brother cell phone list Congress March 10, 1876, on his access to Three days after the patent, Bell managed Brother cell phone list to get his phone working. Bell recounted the historic moment in his diary: "Then I Brother cell phone list shouted to M [mouthpiece]: 'Mr Watson, come here - I want to see you .