a device consisting of two amplifying transistors or valves, each with its output connected to the input of the other, which produces an oscillatory signal
Today’s NYT Connections Answers Apr 19, #313 - Daily Updates & Hints
Today’s Wordle Answer Apr 19 #1035- NYT Wordle Hints & Updates
NYT Mini Crossword Answers Today - The Mini for Apr 19 Solved
NYT Strands Today - Hints, Spangram & Answers for April 19