Music and the Making of Modern Science
192 Chapter 12 A B Figure 12.5 Ø rsted ’ s figures of the pattern seen after one stroke of the violin bow (left) and then “ comp ...
Electric Sounds 193 Ritter ’ s speculations, “ the greatest ever said about tones ” and their felt musical effects, “ how sorrow ...
194 Chapter 12 time, Savart turned from his investigations of violins to studies of magnetic action, paral- leling Ø rsted ’ s p ...
In the wake of Ø rsted ’ s discovery, the entwined stories of Charles Wheatstone and Michael Faraday likewise interwove sound an ...
196 Chapter 13 many others. After the announcement of Ø rsted ’ s discovery in 1820, Andr é -Marie Amp è re wrote his son that “ ...
Hearing the Field 197 Figure 13.1 Faraday ’ s palm-sized demonstration of electromagnetic rotation (1821). An electric current p ...
198 Chapter 13 though his progress was slowed by the press of many other duties and experimental pro- grams. In 1825, he tried t ...
Hearing the Field 199 Figure 13.2 Wheatstone ’ s “ Harmonic Diagram ” (1824), whose rotating wheel can be pointed to a pitch (he ...
200 Chapter 13 the plate. 13 Wheatstone also excited such crispations by blowing a flute close to the moist- ened glass plate, f ...
Hearing the Field 201 Figure 13.3 Wheatstone ’ s Enchanted Lyre (1821); the rod transmits the sound of the piano to the lyre in ...
A B Figure 13.4 (a) Wheatstone ’ s kaleidophone (1827), whose several rods exhibit various modes of vibration by means of a lumi ...
Hearing the Field 203 The very first words spoken through Faraday brought forward elements that became particularly important in ...
204 Chapter 13 Figure 13.5 Wheatstone ’ s illustrations of (a) “ the G é nder. Musical Instrument of Java ” ; (b) “ the guimbard ...
Hearing the Field 205 airs which he whistled first as solos, and then as duets, ” showing that the mouth itself could be divided ...
206 Chapter 13 tested the constancy of rotation. Hippolyte Fizeau and L é on Foucault subsequently used this device to measure t ...
Hearing the Field 207 all the instruments preserve their distinctive qualities. ... Compared with an ordinary band, heard at a d ...
208 Chapter 13 A B Figure 13.8 Illustrations from Faraday ’ s 1831 paper “ On a Peculiar Class of Acoustical Figures, ” showing ...
Hearing the Field 209 detailed picture of those currents in relation to the density and composition of the medium, extending sev ...
210 Chapter 13 Faraday dated his draft paper on acoustical figures March 21, 1831, and sent it to Wheatstone, who responded in a ...
Hearing the Field 211 piece of glass barely covered in water ( figure 13.12a ). On July 2, he rang a glass by moving a moistened ...
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