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Scientific American, Vol. 61, No. 20 (1889) (1889)
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curtain passes quickly over the face of the sensitive country. We have now to present some examples of plate, exposing successive portions of the sensitive sur- and depends further for its effectiveness upon the per- the same class of work produced by Mr. Ottamar face to the action of the light. By… … ANSCHUETZ'’S ELECTRICAL TACHYSCOPE. © 1889 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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