Celsius never devised nor used the scale that now bears his name. Veritasium. Celsius Made His Thermometer Upside Down. Posted: October 30, 2024 | Last updated: October 30, 2024.

THE history of the centigrade thermometer is discussed by Dr. N. V. Nordenmark {Svenska Linn6-Sdllskap. Arsskrift, 18, 124; 1935). He points out that the thermometer of Anders Celsius used the ...