Andrews-Hammond laboratories "A-Box" (Techniek Radio/TV)
door Maurice 
, Dordrecht, 24.12.2012, 21:24 (4354 dagen geleden) @ John Hupse †
http://www.vacuumtubeera.net/RadioBroadcastMagazine.html
Download Vol-12-1928-01.pdf
pag 13
"among the Manufacturers" -naast de foto.
Staat o.a. een relaas JH Hammond over die patenten en ruzie over buizen met RCA.
Berichten in deze thread:
- Andrews-Hammond laboratories "A-Box" -
herby,
24.12.2012, 19:57
![[*]](themes/default/images/complete_thread.png "Open hele thread")
- Andrews-Hammond laboratories "A-Box" - Laurens, 24.12.2012, 20:26
- Andrews-Hammond laboratories "A-Box" -
freddy vercruyce,
24.12.2012, 20:26
- Andrews-Hammond laboratories "A-Box" - herby, 25.12.2012, 15:32
- Andrews-Hammond laboratories "A-Box" -
John Hupse †,
24.12.2012, 20:53
- Andrews-Hammond laboratories "A-Box" -
Maurice,
24.12.2012, 21:24
- Andrews-Hammond laboratories "A-Box" -
soundman2,
25.12.2012, 08:17
- Andrews-Hammond laboratories "A-Box" - Maurice, 25.12.2012, 09:25
- Andrews-Hammond laboratories "A-Box" - herby, 25.12.2012, 12:28
- Andrews-Hammond laboratories "A-Box" -
soundman2,
25.12.2012, 08:17
- Andrews-Hammond laboratories "A-Box" -
Maurice,
24.12.2012, 21:24