Lynde, Carleton John, b. 1872, Gilbert, Alfred C. (Alfred Carlton), 1884-1961 · New Haven, Conn. : A.C. Gilbert Co. · leaf 89
face, however, through a pipeof any kind, as shown in Fig.131, because the sides of thepipe keep the reflected lightout of your eyes. Try this witha pipe 2 or 3 feet long. Experiment No. 81. To seethe fish you are trying to catch.If you can fish under a boat-house or under a wharf, youcan see the…
Light · Scientific recreations
Internet Archive · Getty Research Institute · Public Domain Mark 1.0. Free to use for anything.
