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 201
ral size, of the sides of the jar(inner lines), the water surface and the partition, as in Fig. 122, con-tinuing the partition line, by means of dots, well down into the jar.Put p in its proper place, and then draw the lines pC and Cg. Lay off Cd= Cg, and then draw the lines n and m. fV) The index… … FIG. 123. greatest in a so-called vacuum; it is least in the mosthighly refractive substances. Indeed, the index of re-fraction from any given substance to another, as from air to * It is well to have this distance, which is somewhat troublesometo measure accurately, given by the teacher.…
Physics
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