Lynde, Carleton John, b. 1872, Gilbert, Alfred C. (Alfred Carlton), 1884-1961 · New Haven, Conn. : A.C. Gilbert Co. · leaf 59
56 GILBERT BOY ENGINEERING … Let the arrow, Fig.83, represent the ob-ject; its image in A isAl and the top andbottom of Al are as did in the case ofparallel mirrors. far behind the mirrorextended as the topand bottom of the ar-row are in front. Now let us supposemirror B to be extend- ing. 83. The why of the periscope ed as…
Light · Scientific recreations
Internet Archive · Getty Research Institute · Public Domain Mark 1.0. Free to use for anything.
