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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.
2B30.30 - Magdeburg Hemispheres