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  2. Phonograph cylinder - Wikipedia

    en.wikipedia.org/wiki/Phonograph_cylinder

    Phonograph cylinders (also referred to as Edison cylinders after its creator Thomas Edison) are the earliest commercial medium for recording and reproducing sound.Commonly known simply as "records" in their heyday (c. 1896–1916), a name which has been passed on to their disc-shaped successor, these hollow cylindrical objects have an audio recording engraved on the outside surface which can ...

  3. Kundt's tube - Wikipedia

    en.wikipedia.org/wiki/Kundt's_tube

    Instead of a transparent tube with powder in it to reveal the nodes, this uses microphones mounted in the tube. The piston (right center) is moved back and forth. When the microphone's position is at the nodes of the wave the sound pressure goes to zero. The sound power from the microphones is recorded on the chart recorder (center rear).

  4. Shigeru Ban - Wikipedia

    en.wikipedia.org/wiki/Shigeru_Ban

    Shigeru Ban (坂 茂, Ban Shigeru, born 5 August 1957) [2] is a Japanese architect, known for his innovative work with paper, particularly recycled cardboard tubes used to quickly and efficiently house disaster victims.

  5. Tin can telephone - Wikipedia

    en.wikipedia.org/wiki/Tin_can_telephone

    A tin can phone is a type of acoustic (non-electrical) speech-transmitting device made up of two tin cans, paper cups or similarly shaped items attached to either end of a taut string or wire. It is a particular case of mechanical telephony, where sound (i.e., vibrations in the air) is converted into vibrations along a liquid or solid medium ...

  6. List of Welsh inventions and discoveries - Wikipedia

    en.wikipedia.org/wiki/List_of_Welsh_inventions...

    Adjustable carbon rod microphone invented by David Edwards Hughes. David Edward Hughes (16 May 1831– 22 January 1900), was a Welsh inventor, practical experimenter, and professor of music known for his work on the printing telegraph and the microphone. [20] His family moved around the time of his birth so he may have been born in London or ...

  7. David Edward Hughes - Wikipedia

    en.wikipedia.org/wiki/David_Edward_Hughes

    David Edward Hughes (16 May 1830 – 22 January 1900), was a British-American inventor, practical experimenter, and professor of music known for his work on the printing telegraph and the microphone. [3]

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  9. Astatic Corporation - Wikipedia

    en.wikipedia.org/wiki/Astatic_Corporation

    Astatic also manufactured bullet style microphones, which are extremely popular among harmonica players. The original Astatic model JT-30 was introduced in late 1939. There were many variations in different colors such as the JT-30-C, W-30, 31, JT-31, JT-40, JT-50, and Model A. It is one of the most popular microphones for blues harp players. [6]

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