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Scientific American, Vol. 93, No. 9 (1905) (1905)

leaf 3

An illustration from Scientific American, Vol. 93, No. 9 (1905), 1905, leaf 3
e of vision will enable the the top side. This makes the waves much clearer with- ily, and are among the largest in Europe. The father observer to determine the number of waves for ex- out changing the results. of the family is no less than 20 feet in height, from posures less than one-tenth of a… … forme, a new anesthetic, that has been thoroughly plate. Every photographer will appreciate the impor- The Records from Which the Speed of the Shutter is tested at the Bordeaux School, Paris, and throughout tance of knowing the exact time of his shutter under Determined. the British Isles.…

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