| Edison Disc Record
|
| Image
|
|
| Audio format
| Edison Disc Record (Diamond Disc)
|
| Media type
| Audio playback
|
| Usage
| Audio storage
|
| Encoding
| Analog grooves
|
| Inventor
| Thomas Alva Edison
|
| Material
| Phenol, Formaldehyde, Wood flour (later: China clay), Solvent
|
| Engraving
| "hill-and-dale" motion (vertical)
|
| RPM
| 80
|
| Capacity
| 10-inch single (1911): 4 1/2 min, 10-inch LP (1926): 24 min, 12-inch LP (1926): 40 min
|
| Dimensions
| 10 or 12 inch (25 or 30 cm)
|
| Launch
| 1911
|
| Production stop
| 1929
|
| Previous format
| Phonograph cylinder (1877)
|
| Next format
| Edison Needle Record (1927)
|
