The 807, a Vacuum Tube for the Ages

by
Alexander B. Magoun
from IEEE Spectrum on (#S4CG)
this_file_will_be_autodeleted_in_24hrs_2

Eight decades on, this device still has a niche among ham radio enthusiasts and audiophilesspgTeEI7NEw
External Content
Source RSS or Atom Feed
Feed Location http://feeds.feedburner.com/IeeeSpectrum
Feed Title IEEE Spectrum
Feed Link https://spectrum.ieee.org/
Reply 0 comments