an instrument for recording variations in pressure, e.g. in sound waves or in blood within blood vessels, by the trace of a stylus on a rotating cylinder
Today’s NYT Connections Answers Apr 28, #322 - Daily Updates & Hints
Today’s Wordle Answer Apr 28 #1044- NYT Wordle Hints & Updates
NYT Mini Crossword Answers Today - The Mini for Apr 28 Solved
NYT Strands Today - Hints, Spangram & Answers for April 28