UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post - Oliver Lodge moving coil loudspeaker 1898?

Robert Gribnau · 25th Jul 2020, 11:10 am

It looks though that Oliver's bellowing telephone did work; it was demonstrated successfuly in a patent battle in 1927:

https://cite.case.law/f2d/20/150/

But maybe the successful demonstration was made possible because of supporting technology from that time.

25th Jul 2020, 11:10 am	#4
Robert Gribnau Heptode Join Date: May 2017 Location: Konongo, Ghana Posts: 516	Re: Oliver Lodge moving coil loudspeaker 1898? It looks though that Oliver's bellowing telephone did work; it was demonstrated successfuly in a patent battle in 1927: https://cite.case.law/f2d/20/150/ But maybe the successful demonstration was made possible because of supporting technology from that time. Last edited by Robert Gribnau; 25th Jul 2020 at 11:16 am.