29-06-2018, 08:11 AM
(This post was last modified: 29-06-2018, 08:14 AM by peter scott.)
No large discs. No vacuum needed. 30,375 rpm from a combination synchronous and induction motor.
See page 593.
https://www.americanradiohistory.com/Arc...-10-UK.pdf
![[Image: scophony-motor1.jpg]](https://blog.scienceandmediamuseum.org.uk/wp-content/uploads/2014/03/scophony-motor1.jpg)
Peter
See page 593.
https://www.americanradiohistory.com/Arc...-10-UK.pdf
![[Image: scophony-motor1.jpg]](https://blog.scienceandmediamuseum.org.uk/wp-content/uploads/2014/03/scophony-motor1.jpg)
Peter







