Lynde, Carleton John, b. 1872, Gilbert, Alfred C. (Alfred Carlton), 1884-1961 · New Haven, Conn. : A.C. Gilbert Co. · leaf 62
ehind B extended. It is harder to locate the imageswhen the angle is 60° or smaller, butit will help you to know that theimages are always all on the circum-ference of a circle of which the angleof the mirrors is the center. Practice locating the images inmirrors at 60°. Experiment No. 53. The… … 60 GILBERT BOY ENGINEERING
Light · Scientific recreations
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