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Gilbert light experiments for boys (1920)

Lynde, Carleton John, b. 1872, Gilbert, Alfred C. (Alfred Carlton), 1884-1961 · New Haven, Conn. : A.C. Gilbert Co. · leaf 84

An illustration from Gilbert light experiments for boys, 1920, leaf 84
for the reasons givenabove. How Tall are You to a Fish? If you are 6 feet tall a fish(Fig. 126) sees you as 8 feet tall, because the curved waves fromyou are made less curved in water and, therefore, appear tocome from a more distant point. Experiment No. 75. Breaking a pencil without touching… … Fig. 125. They see the fish at different depths

Light · Scientific recreations

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