Inside Out Library

Gilbert light experiments for boys (1920)

Lynde, Carleton John, b. 1872, Gilbert, Alfred C. (Alfred Carlton), 1884-1961 · New Haven, Conn. : A.C. Gilbert Co. · leaf 84

An illustration from Gilbert light experiments for boys, 1920, leaf 84
Fig. 125. They see the fish at different depths … Fig. 126. You appear to a fish to be four-thirds bigger than you areK — 6 82 GILBERT BOY ENGINEERING

Light · Scientific recreations

Internet Archive · Getty Research Institute · Public Domain Mark 1.0. Free to use for anything.

More pictures from Gilbert light experiments for boys

More like this