1F30.21 - Water Hammer
As the water falls from one end of the water hammer to the other end it makes a loud click, showing that water falls as a solid in a vacuum.
- Z. V. Harvakik, "Vacuum by Freezing", TPT, Vol. 4, No. 4, p. 37, April 1964.
- M- 290, Richard Manliffe Sutton, Demonstration Experiments in Physics.
- George M. Hopkins, "Falling Bodies--Inclined Plane--The Pendulum", Experimental Science, p. 39.
- Central Scientific Company, "Glass Water Hammer".
- Tik L. Liem, "The Water Hammer", Invitations to Science Inquiry - Supplement to 1st and 2nd Ed. p. 123.
- Joseph Frick, "# 360 - The Water-Hammer", Physical Technics: Or Practical Instructions for Making Experiments in Physics and the Construction of Physical Apparatus with the Most Limmited Means, p. 426.
- "The Water Hammer", Pike's Illustrated Catalogue of Scientific & Medical Instruments, 1984, p. 222.
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