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 434
hirling apparatus fasten a disk (No. LXXXIX) ofmetal or wood about 15 cm. in diameter carrying 2 circular rows ofpegs, each row being concentric with the disk. In one row the pegsare placed at equal intervals of about 1 cm. In the other row thereis an equal number of pegs separated by unequal… … Fio. 226. there any marked difference in the quality of the sound produced inthese two cases? Although none of the effects obtained in this experimentare above criticism from a musical standpoint, they illus-trate roughly the fact that air-pulses striking the ear atregular intervals, and with a…
Physics
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