Lynde, Carleton John, b. 1872, Gilbert, Alfred C. (Alfred Carlton), 1884-1961 · New Haven, Conn. : A.C. Gilbert Co. · leaf 82
h radiatinglines near one edge of a looking-glass (Fig. 124). The family willthink the glass is broken. A real break shows up because thelight is refracted at the break and this gives a fair imitation.Where is the Fish? The three boys 1, 2, and 3 in Fig. 125 are looking atthe same fish andthey see… … 80 GILBERT BOY ENGINEERING
Light · Scientific recreations
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