Show Summary Details

Page of
<p>Printed from Grove Music Online. Grove is a registered trademark. Under the terms of the licence agreement, an individual user may print out a single article for personal use&#160;(for details see Privacy Policy).</p><p>date: 15 July 2019</p>

Audion pianolocked

  • Hugh Davies

Extract

Electronic keyboard instrument (not a piano) developed by Lee de Forest (b Council Bluffs, IA, 26 Aug 1873; d Hollywood, CA, 30 June 1961) in New York from 1915. De Forest introduced his Audion triode valve (vacuum tube) in 1906. A more sensitive development of John A. Fleming’s diode valve, it was to prove a major step in the development of electronics, especially radio. About ...

You do not currently have access to this article

Login

Please login to access the full content.

Subscribe

Please subscribe to access the full content.