Weatherglass Barometer

 

Code Number: 2B35.70

Demo Title: Weatherglass Barometer

Condition: Excellent

Principle: Air Pressure

Area of Study: Fluids

Equipment:

Weatherglass Barometer.

Procedure:

Fill the weatherglass barometer with colored water 1 to 2 inches above the spout joint. A drop of baby oil into the spout after filling will prevent evaporation from the vessel.  

References:

  • Thomas B. Greenslade Jr., "The Pneumatic Inkwell and the Barometer", TPT, Vol. 62, #5, May 2024, p. 360.
  • Sebastian J. Spicker, Alexander Kupper, Andre Bresges, "Mission to Mars - Concept and Implementation of a Design-Based (Hands-On) Smartphone Experiment Helping Students Understand the Effects Caused by Differences in Air Pressure", TPT, Vol. 60, #1, Jan. 2022, p. 47.
  • E.R. Reddingius,  "A Simple Barometer",  TPT, Vol. 38, # 5, p. 300, May 2000.
  • Chu E-qing, "A Demonstration to Show the Variation of Atmospheric Pressure with Height", TPT, Vol. 24, # 6, Sept. 1986, p. 354.
  • M. A. Vandyck, "On an Alternative Type of Water Barometer",  AJP, Vol. 57, No. 5, May 1989.
  • "A Homemade Barometer", The Boy Scientist, p. 31.
  • Janice VanCleave, "14, Fountain Machine", Teaching the Fun of Physics, p. 25.
  • Gerard L' E Turner, "The Aneroid Barometer", Nineteenth-Century Scientific Instruments, p. 236- 237.