See https://archive.org/post/256492/the-betty-question-answered https://archive.org/post/256492/the-betty-question-answered for more details both on WoS and the

See https://archive.org/post/256492/the-betty-question-answered https://archive.org/post/256492/the-betty-question-answered for more details both on WoS and the microphone setup.