Thread: Making of a vacuum tube
View Single Post
  #4  
Old 09-04-2017, 12:27 PM
GaryProtein's Avatar
GaryProtein GaryProtein is offline
Member
  
Join Date: Jan 2012
Location: NY
Posts: 5,393
Default
The "How It's Made" was posted before, but it's great to see it again!
Reply With Quote