A text-book of physics, largely experimental. On the Harvard college "Descriptive list of elementary physical experiments." (1891)
Hall, Edwin Herbert, 1855-1938, Bergen, Joseph Y. (Joseph Young), 1851-1917 · New York, H. Holt and Company · leaf 203
al reflection. EXPERIMENTS WITH TOTAL REFLECTION. (1) With the eye at E, Fig. 125, look at right angles into a glass prism shaped like ABC, at the sametime holding an object at O. Note the position of the image 0 and its re-markable distinctness. Try to look directly through AC andCB across the… … FIG. 126. Push the needle down until its upper end is nearly level with theupper surface of the board, and look down obliquely through thewater, close past the margin of the board, at the lower extremity of REFRACTION OF LIGHT. 181 the needle. Now draw the needle up, little by little, through…
Physics
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