AMERICAN 
JOURNAL OF SCIENCE AND ARTS, 
[THIRD SERIES.] 
s 
+ 
ArT. XXI.— Researches in Acoustics; by ALFRED M. MAYER. 
Paper No. 6,* containing : 
1. The Determination of the Law connecting the Pitch of a Sound with the Dura- 
tion of its Residual Sensation. 
2. The Determination of the numbers of Beats, throughout the musical scale, 
which produce the greatest dissonances. 
3. Application of these Laws (1) and (2) in a New Method of Sonorous Analysis, 
by means of a perforai tating disc. 
TO 
4. Deductions from these Laws leading to new facts in the Physiology of Audition. 
5. Quantitative applications of these Laws to the fundamental facts of Musical 
Harmony. 
nConfonan; ift eine continuirlidhe Diffonang, eine intermittirende Tonempfindung.“— 
Haimholiz, wie tee 
1. The Determination of the Law connecting the Pitch of a Sound 
with the Duration of tis Residual Sensation. 
*Read before the New York Opthalmological Society on March 9, 1874; and 
before the National Academy of Sciences, in Washington, on April 23, 1874. 
Am. Jour. Sot.—Turep Serres, Vou. VIII, No. 46.—Ocr., 1874. 
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