Lynde, Carleton John, b. 1872, Gilbert, Alfred C. (Alfred Carlton), 1884-1961 · New Haven, Conn. : A.C. Gilbert Co. · leaf 20
eriment No. 11. To show that light, when not reflected orrefracted, travels in a straight line from the object to your eye. Note. The thing you arelooking at directly or indi-rectly is called the object. Close one eye, look atthe flame of a candle, andthen move a book slowly be-tween the flame and…
Light · Scientific recreations
Internet Archive · Getty Research Institute · Public Domain Mark 1.0. Free to use for anything.
![An illustration from XIXe [i.e. Dix-neuvième] siècle (en France); classes - moeurs - usages - costumes - inventions. Ouvrage illustré d'un front. chromotypographique, de 16 planches coloriées aux patrons, de 36 entetes et lettres ornées et de 487 gravures (dont 24 tirées hors texte) d'après les principaux artistes du siècle (1893)](https://img.insideoutlibrary.com/img/200/ia-xixeiedixneuvi00granuoft-150-80.webp)
![An illustration from Illustrated catalogue of the eigth [sic] series of 100 paintings by old masters of the Dutch, Flemish, Italian, French, and English schools : being a portion of the Sedelmeyer Gallery which contains about 1500 original pictures by ancient and modern artists (1902)](https://img.insideoutlibrary.com/img/200/ia-illeigt00gale-102-66.webp)