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Code Number: 2B30.30
Demo Title: Magdeburg Hemispheres
Condition: Excellent
Principle: Air Pressure
Area of Study: Fluids
Equipment:
Magdeburg Hemispheres
Procedure:
Some vacuum grease should be applied to the hemispheres to ensure a good seal. Align the arrows that are scratched into the hemispheres to ensure the success of this demo.
References:
- Armand Le Noxaïc, "A Spectacular Experiment Exhibiting Atmospheric Pressure", TPT, Vol. 52, #4, Apr. 2014, p. 223.
- Carl H. Hayn, "Archimedes and the Magdeburg Hemispheres", TPT, Vol. 13, #1, Jan. 1975, p. 42.
- Ernest Hammond, "Demonstration of Atmospheric Pressure", TPT, Vol. 3, #6, Sept. 1965, p. 285.
- Thomas B. Greenslade Jr., "The Magdeburg Hemispheres", AJP, Vol. 81, #2, Feb. 2013, p. 87.
- Guenter Schwarz, P. Vijendran, and A. K. Gupta, "Quantitative Study of Force due to Air Pressure", AJP, Vol. 36, #3, Mar. 1968, p. ix.
- Back Scatter, "Magdeburg Hemispheres", Physics Today, Vol. 74, #12, Dec. 2021, p. 68.
- D. Rae Carpenter Jr. and Richard B. Minnix, "F-015. Magdeburg Hemispheres", DICK and RAE Physics Demo Notebook, 1993.
- D. Rae Carpenter Jr. and Richard B. Minnix, "F-020. Balloon With 2 Cups", DICK and RAE Physics Demo Notebook, 1993.
- G. D. Freier and F. J. Anderson, "Fd-2. Mageburg Hemispheres", A Demonstration Handbook for Physics.
- Julien Clinton Sprott, "2.1. Magdeburg Hemispheres", Physics Demonstrations, ISBN 0-299-21580-6, p. 66 - 67.
- George M. Hopkins, "The Barometer", Experimental Science, p. 90.
- John Henry Pepper, "Experiments with the Air-Pump", Cyclopadic Science Simplified, p. 448 - 449.
- R. W. Pohl, "14. The Atmosphere: Experiments on Atmospheric Pressure", Physical Principles of Mechanics and Acoustics, p. 180 - 181.
- Martin Gardner, "The Magdeburg Tumblers", Entertaining Science Experiments with Everyday Objects, p. 103.
- Julius Sumner Miller, Q40 & A40, Millergrams I – Some Enchanting Questions for Enquiring Minds, p. 33 & 90.
- The Queen Catalogues Vol. II, Catalogue of Physical Instruments, No. 4312, p. 33.