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730986 Tainter Disc Graphophone
Posted: Wed Feb 16, 2022 10:03 am
by JohnM
Re: Tainter Disc Graphophone
Posted: Wed Feb 16, 2022 10:37 pm
by Lucius1958
An early attempt at a constant-linear-speed disc...
Pity the rest of the description is not shown, as it might better explain how the connection between the arm and the speed control worked (it seems a little unclear from the drawing)...
- Bill
Re: Tainter Disc Graphophone
Posted: Thu Feb 17, 2022 3:43 am
by JohnM
Lucius1958 wrote: Wed Feb 16, 2022 10:37 pm
An early attempt at a constant-linear-speed disc...
Pity the rest of the description is not shown, as it might better explain how the connection between the arm and the speed control worked (it seems a little unclear from the drawing)...
- Bill
Bill,
I only post the first text page of the patents for brevity’s sake. Simply do a Google Patent Search of the patent number to see the complete patent document.