Code Number: 2B35.26

Demo Title: Water/Gas Barometer

Condition: Excellent

Principle: Barometers

Area of Study: Fluids

Equipment:

Eco-celli barometer

Procedure:

Place the support pin of the barometer into a perpendicular rod clamp.

References:

C. Frederick Lohrengel II and Paul R. Larson, "Determining Atmospheric Pressure Using a Water Barometer", TPT, Vol. 50, #9, Dec. 2012, p. 563.
Dan M. Sullivan, Robert W. Smith, E.J. Kemnitz, Kevin Barton, Robert M. Graham, Raymond A. Guenther, Larry Webber, "What is Wrong with Water Barometers?", TPT, Vol. 48, # 3, March 2010, p. 191.
Robert M. Dieffenbach, "An Algebarometer", TPT, Vol. 41, # 3, Mar. 2003, p. 184.
M. A. Vandyck, "On an Alternative Type of Water Barometer", AJP, Vol. 57, #5, May 1989, p. 467.

Disclaimer

These demonstrations are provided only for illustrative use by persons affiliated with The University of Iowa and only under the direction of a trained instructor or physicist. The University of Iowa is not responsible for demonstrations performed by those using their own equipment or who choose to use this reference material for their own purpose. The demonstrations included here are within the public domain and can be found in materials contained in libraries, bookstores, and through electronic sources. Performing all or any portion of any of these demonstrations, with or without revisions not depicted here entails inherent risks. These risks include, without limitation, bodily injury (and possibly death), including risks to health that may be temporary or permanent and that may exacerbate a pre-existing medical condition; and property loss or damage. Anyone performing any part of these demonstrations, even with revisions, knowingly and voluntarily assumes all risks associated with them.

Instructional Resources and Lecture Demonstrations

2B35.26 - Water/Gas Barometer

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