. The elements of vegetable histology. Plant anatomy. Fig. 10.—Refraction oLLight Rays by Lenses. 1. Double convex lens causes convergence of rays to focal point (F). concave lens causes divergence of rays from focal point (F). 2. Double observer, it will be found that the reasons for these apparent enlargements of the image are different in the two cases. Objects placed beyond the focal point of a lens will give rise to enlarged images, termed real images, which can be projected upon a screen. The degree of enlargement is directly proportional. Please note that these images are extracted from

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. The elements of vegetable histology. Plant anatomy. Fig. 10.—Refraction oLLight Rays by Lenses. 1. Double convex lens causes convergence of rays to focal point (F). concave lens causes divergence of rays from focal point (F). 2. Double observer, it will be found that the reasons for these apparent enlargements of the image are different in the two cases. Objects placed beyond the focal point of a lens will give rise to enlarged images, termed real images, which can be projected upon a screen. The degree of enlargement is directly proportional. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Ballard, Charles William, 1887-. New York, John Wiley & Sons, Inc. ; [etc. ,etc. ]

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Keywords: ., bookcentury1900, bookdecade1920, booksubjectplantanatomy, bookyea