. Appleton's dictionary of machines, mechanics, engine-work, and engineering. 30C1 The Dipleidoscopo operates by reflecting (he suns rays by means of a simple combination of reflect-ing surfaces. Bearing this in mind, and remembering also that the angle of tin- incident rays of lightfalling upon a plane is equal to the angle of the reflected rays, the nature and action of the instrumentwill be obvious from the figure. 778 TRIP-HAMMER. The instrument consists of three reflecting planes DC, D B, and B C, Fig. 3661. D C represents theexterior plate of glass, which covers in the other two opaque g
. Appleton's dictionary of machines, mechanics, engine-work, and engineering. 30C1 The Dipleidoscopo operates by reflecting (he suns rays by means of a simple combination of reflect-ing surfaces. Bearing this in mind, and remembering also that the angle of tin- incident rays of lightfalling upon a plane is equal to the angle of the reflected rays, the nature and action of the instrumentwill be obvious from the figure. 778 TRIP-HAMMER. The instrument consists of three reflecting planes DC, D B, and B C, Fig. 3661. D C represents theexterior plate of glass, which covers in the other two opaque glass surfaces D B and B C, set in the interior of the instrument. Suppose D C to be so divided that the ray No. 1 falling on D C, at E, willbe reflected to the eye at 1, and the image of the sun will appear to advance in the direction from Dtowards C. The ray No. 2 passing through D C, is reflected from C B, impinges on D B, and reachesthe eye in the direction 2. The image of the sun thus formed will appear to move from C towards D,because it has been twice reflected, and
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Keywords: ., bookcentury1800, booksubjectmechanicalengineering, bookyear1861
