Saturday, October 31, 2009

The Machinist's Phonograph

The Machinist's Phonograph
Royston Maybery | Make Vol. 14- 2008 | Pdf | 4 pgs | 2 mb
When Edison invented the phonograph in 1877, he
envisioned it as a business dictation machine.
But it soon became a popular medium for music,
recorded onto durable cylinders that are still avail-
able and playable today. Cylinders came in a wide
variety of formats - 21/4", 31/2", or 5" in diameter,
4" or 6" long, 120rpm-160rpm,100 or 200 grooves
per inch --- most of which required different types
of phonographs to play.

Today there's one specialty machine, the
Archeophone, that can handle all formats of cylinder
recordings, but it costs more than $16.000. So
I decided to build my own, and being a licensed
machinist, I call it the Machinist's Phonograph.

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