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Vol. 86 July 18, 2026 No. 19

A. J. Hobart

inventor of the endless perforated tune sheet

Biography

A. J. Hobart was granted a patent on July 7, 1908, for an endless perforated tune sheet for player pianos, each sheet containing five or more musical selections. Dolge illustrates the mechanism with a technical drawing. No further biographical information about Hobart is provided in this portion of the text.

Highlights

  • Patented an endless perforated tune sheet (July 7, 1908) holding five or more selections per sheet

Source

Alfred Dolge, Pianos and Their Makers, Vol. I (1911), p. 154.

Public domain.

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