Johnson's natural philosophy and key to philosophical charts : illustrated with 500 cuts; being reduced photographic copies of all the diagrams contained in the author's philosophical series of indestructible school charts ; for the use of schools and families (1878)
plate of glass at an angle of incidence of 56° 45, itwill be wholly reflected, in a certain position of the glass, and whollytransmitted if the glass be turned round through 90°. A plate of tourmaline aflbrds a convenient means of determiningwhether a ray of light has been polarized by other means.… … ror, T, making the angle of incidence 56° 45, from this mirror it isreflected, through the tube AE, to the mirror F, falling upon it at thesame angle of incidence, 56° 45, and is thence reflected to the eye,at L. The mirrors are at right angles to each other, and the candle ishardly perceptible to…
Physics · Astronomy
Internet Archive · University of Connecticut Library · Public Domain Mark 1.0. Free to use for anything.
