Difference between revisions of "Edison Disc Record"

{{Infobox storage medium (disc record) |Image= [[File:Edison-51054-R.jpg|right|200px| ]] |Audio format= Edison Disc Record (Diamond Disc) |Media type= Audio playback |Usage= Audio storage |Encoding= Analog grooves |Inventor= Thomas Alva Edison |Material= [[Wikipedia:Phenol|Phenol]], [[Wikipedia:Formaldehyde|Formaldehyde]], [[Wikipedia:Wood flour|Wood flour ]] (later: [[Wikipedia:Kaolinite|China clay]]), [[Wikipedia:Solvent|Solvent]] |Engraving= "hill-and-dale" motion (vertical) |Revolutions per minute= 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= [[Electrical cut record]] (1925) }}