Toggle sidebar Toggle sidebar
  • You can now help support WorldwideDX when you shop on Amazon at no additional cost to you! Simply follow this Shop on Amazon link first and a portion of any purchase is sent to WorldwideDX to help with site costs.
  • A Winner has been chosen for the 2026 July 4th Retevis RA89R Giveaway! Click Here to see who won!

TODAY IN HISTORY

Sonar

Sonar

Sr. Member
Apr 8, 2016
1,502
1,025
173
On this date I906 Le de Forest patented the Audion. A 3 diode valve. The birth of the tube today in history. 73
deforest2.jpg
 
  • Like
Reactions: Shadetree Mechanic, undertaker and wavrider

dxChat
Help Users
  • No one is chatting at the moment.


      Top Bottom