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Scientific American, Vol. 76, No. 10 (1897) (1897)
leaf 3
which the image given | stituted for the screw eye. A pawl on the end of the A, which sends other arm is adapted to engage the ratchet, when the the ray to a sec- upside down near the objective must be righted by | device is adjusted to hold the clothes, the ratchet and Fig. 1—PASSAGE OF THE RAYS… … be carried out with- Fig. 2. tions it rapidly loses behind a tree. out too great de- the advantage of lay. THE ZEISS STEREOSCOPIC FIELD GLASS. being shorter, since, © 1897 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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