Audio Recording

Showing all 2 results

  • 1949 Magnetic Recorder Vintage T-Shirt

    Sale! $29.00 $24.99

    In 1949, C. N. Hickman invented a magnetic recorder. The present invention relates to electromagnetic apparatus, and more particularly to an apparatus for either recording or reading data across an elongated magnetizable element instead of lengthwise thereof.

    Select options

  • 1908 Vintage Magnetic Audio Recording Instrument T-shirt

    Sale! $29.00 $24.99

    J.C. Sherman in 1908, a patent for Instruments for Magnetically Recording Sound Vibrations. This invention relates to instruments by which articulate speech and other sounds are recorded by producing in a-record element varying degrees of magnetization corresponding to the sound vibrations.

    Select options

Showing all 2 results