Data storage device
From PUBLIC DOMAIN PROJECT
A data storage device is a device for recording (storing) information (data). Recording can be done using virtually any form of energy, spanning from manual muscle power in handwriting, to acoustic vibrations in phonographic recording, to electromagnetic energy modulating magnetic tape and optical discs.
Contents
Media types
Phonograph cylinders
Lakeside Indestructible cylinders
| Image | |||
| Label | Lakeside Indestructible Cylinder Records | ||
| Manufactor | U.S. Phonograph Company | ||
| Storage medium | Phonograph cylinder | ||
| Material | Celluloid | ||
| Time duration | 2-minute or 4-minute | ||
| Recording format | 2-minute: 2-inch, 100 tpi; 4-minute: 2-inch, 200 tpi | ||
| Rotation speed | 150-160 rpm | ||
| Launch | 1908 | ||
| Production stop | 1912 | ||
| Additional info | Indestructible cylinder with superior sound quality specially produced for the Montgomery Ward department stores | ||
| Description | CYLINDERS | ||
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U.S. Everlasting cylinders
| Image | |||
| Label | U.S. Everlasting Records | ||
| Manufactor | U.S. Phonograph Company | ||
| Storage medium | Phonograph cylinder | ||
| Material | Celluloid | ||
| Time duration | 2-minute or 4-minute | ||
| Recording format | 2-minute: 2-inch, 100 tpi; 4-minute: 2-inch, 200 tpi | ||
| Rotation speed | 150-160 rpm | ||
| Launch | 1908 | ||
| Production stop | 1912 | ||
| Additional info | Indestructible cylinder with superior sound quality | ||
| Description | CYLINDERS | ||
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