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| | Extraordinary Times - Disc Improvements (Site not responding. Last check: 2007-10-26) |
 | | Berliner determined that the method of recording used by the cylinder machines, which punched the pattern of sound vibrations into the floor of the recording medium (the wax, or tinfoil, covered cylinders), was fundamentally flawed. |
 | | He found that sound waves captured in a lateral, rather than vertical, motion, cut into the walls, rather than the floor, of the wax medium, resulted in higher quality recordings. |
 | | Records could then be pressed from this metal "negative", as long as the master disc held up. |
| www.thetalkingmachine.com /extraordinary_2.htm (413 words) |
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