Edison in 1902 started to Gold Mould cylinders, this process uses a oversized groove and a large wax master. The master is placed in a vacuum with 2 pieces of gold leaf. High voltage is introduced to the gold leaf in the bell jar, and vaporizes...
Edison in 1902 started to Gold Mould cylinders, this process uses a oversized groove and a large wax master. The master is placed in a vacuum with 2 pieces of gold leaf. High voltage is introduced to the gold leaf in the bell jar, and vaporizes...
Edison in 1902 started to Gold Mould cylinders, this process uses a oversized groove and a large wax master. The master is placed in a vacuum with 2 pieces of gold leaf. High voltage is introduced to the gold leaf in the bell jar, and vaporizes...
"Circa 1911
The auto-player piano features a vacuum system that pushes a rod up into a part of the piano action to send each hammer to the strings, plus more pneumatics to drive the motor, activate the sustain pedal, and in some cases control the...
"Circa 1911
The machine has the model O reproducer set horizontally. The rod at the front of the repoducer can be rotated to play 2 or 4-minute cylinders. This model has a wooden cygnet horn.
