Dr Jonas Aylsworth’s Formula: Consists of Wood flour 58%, Modified ethyl alcohol (ethanol) 26%, Phenol formaldehyde (Bakelite) 15%, Lampblack (the colouring) 1%. The varnish, was given the name of " The Thomas Edison Condensite Varnish", made-up of...Modified ethyl alcohol 55% Phenol formaldehyde (63% phenol +37% formaldehyde) 38% including a material known as Shino used to promote the glossy Finish 7% Records that were originally made of shellac, was now being made with the newly formed synthetic thermoplastic resins. The whole idea behind this special combined assorted blends of ingredients specially formulated for the Thomas Edison's Diamond Phonograph Flat Discs. Dr Jonas Aylsworth mix and blending synthetic resins was necessary for the core of the record formation. The phenolic resin varnish "Condensite" was applied to the core, and then the disc was stamped on the record press. The finished 10" disc weighed ten ounces, stamped heavier than most, to a degree due to the 1/4" thickness of the record. A diamond point was obtained for the stylus. The disc phonograph and the Thomas Edison discs were projected as an entire system to be incompatible with other discs or disc players. The development of Thomas Edison disc phonograph was unleashed commercially in 1911 after a having a tough time selling cylinder phonographs. |
