Lynde, Carleton John, b. 1872, Gilbert, Alfred C. (Alfred Carlton), 1884-1961 · New Haven, Conn. : A.C. Gilbert Co. · leaf 11
the slit and ascreen or the wallor floor? Make a dustnear the beam byshaking your coator a carpet. Doyou now appear tosee the beam (Fig.6)? You do, be-cause the dust par- rig. 6. Dust makes the beam visible tides reflect light to your eyes. On a clear night you cannot see the beam from the… … Fig. 7. A beautiful inverted pictureFrom Appletons School Physics, published by the American Booh Oo. GILBERT LIGHT EXPERIMENTS 9 fleets light to your eyes. Youcan also see the light if it fallsdirectly on your eyes. Experiment No. 4. To showthat light travels in a straightline. Make a dust near…
Light · Scientific recreations
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