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Scientific American, Vol. 56, No. 3 (1887) (1887)
leaf 7
pted, its ex- of object, and time for in- pansion,can only be shown stantaneeus. exposure in by multiplying its move- photographing a moving ments very largely. —GIVEN LENGTH of PENDULUM 8 INCHES Object. Thus the- one- From the coefficients of hundredth of an inch is a APERTUREof DIAPHRAGHM .1¢… … how far this can be ac- A wooden base, provided cepted as an absolute law. with two standards, is first © 1887 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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