When.com Web Search

  1. Ads

    related to: first telharmonium instrument kit for kids 12 13 18 26 16
    • Sale Zone

      Special for you

      Daily must-haves

    • Temu Clearance

      Countless Choices For Low Prices

      Up To 90% Off For Everything

Search results

  1. Results From The WOW.Com Content Network
  2. Telharmonium - Wikipedia

    en.wikipedia.org/wiki/Telharmonium

    Telharmonium console by Thaddeus Cahill 1897. The Telharmonium (also known as the Dynamophone [1]) was an early electrical organ, developed by Thaddeus Cahill c. 1896 and patented in 1897. [2] [3] [4] The electrical signal from the Telharmonium was transmitted over wires; it was heard on the receiving end by means of "horn" speakers. [5]

  3. Thaddeus Cahill - Wikipedia

    en.wikipedia.org/wiki/Thaddeus_Cahill

    Thaddeus Cahill (June 18, 1867 – April 12, 1934) was a prominent american inventor of the early 20th century. He is widely credited with the invention of the first electromechanical musical instrument, which he dubbed the telharmonium. He studied the physics of music at Oberlin Conservatory in Oberlin, Ohio.

  4. Gilbert U-238 Atomic Energy Laboratory - Wikipedia

    en.wikipedia.org/wiki/Gilbert_U-238_Atomic...

    Gilbert cloud chamber, assembled An alternative view of kit contents. The lab contained a cloud chamber allowing the viewer to watch alpha particles traveling at 12,000 miles per second (19,000,000 m/s), a spinthariscope showing the results of radioactive disintegration on a fluorescent screen, and an electroscope measuring the radioactivity of different substances in the set.

  5. Holton (Leblanc) - Wikipedia

    en.wikipedia.org/wiki/Holton_(Leblanc)

    Frank Holton's first business venture on his own was a small rented shop with a desk, two counters and two chairs that he had to paint himself at Clark and Madison streets in Chicago, in 1898, where he sold used instruments and his own formula slide oil for trombone. Unable to make the rent at times, Holton was known to pawn instruments at a ...

  6. File:Telharmonium - Scientific American 1907 (zoomed 400% ...

    en.wikipedia.org/wiki/File:Telharmonium...

    This image is a derivative work of the following image(s): File:Telharmonium - Scientific American 1907.png licensed with PD-US-1923. 2016-05-23 03:40 Techn0logist 1500x2143 (1606595 Bytes) {{subst:Upload marker added by en.wp UW}} {{Information |Description = {{en|The Telharmonium depicted on the front page of Scientific American.}} |Source = '''Original publication''': Scientific American...

  7. Tonewheel - Wikipedia

    en.wikipedia.org/wiki/Tonewheel

    A tonewheel or tone wheel is a simple electromechanical apparatus used for generating electric musical notes in electromechanical organ instruments such as the Hammond organ and in telephony to generate audible signals such as ringing tone. It was developed by Thaddeus Cahill for the telharmonium c. 1896 and patented in 1897. [1]