 Mayer in the same year. The subject was taken up by Hermann about 1890, and he obtained valuable tracings by using the wax-cylinder phonograph. He succeeded in obtaining photographs of the curves on the wax cylinder, a beam of light reflected from a small...  Transactions - Page 175by Philosophical Society of Aberdeen - 1900Full view - About this book
 | Royal Society of Edinburgh - 1900 - 870 pages
...partial*. While experimentally it may be shown that a constant cavity may produce a vowel-like tone, say o, over a wide range of pitch, it is probable that the...reflected from a small mirror attached to the vibrating disk of the phonograph being allowed to fall on a sensitive plate, while the phonograph was slowly... | |
 | Royal Society of Edinburgh - 1900 - 880 pages
...of a vowel, a conclusion not far from the truth. The subject was taken up by Hermann * about 1 890, and he used the much improved wax-cylinder phonograph....reflected from a small mirror attached to the vibrating disk of the phonograph being allowed to fall on a sensitive plate, while the phonograph was slowly... | |
 | Sir Norman Lockyer - 1902 - 688 pages
...year. The subject was taken up by Hermann3 about 1890, and he obtained valuable tracings by using the wax-cylinder phonograph. He succeeded in obtaining...plate while the phonograph was slowly travelling. In 1891 Boeke4 measured with great accuracy the dimensions of the marks on the wax cylinder, and from... | |
 | Sir Norman Lockyer - 1902 - 1074 pages
...year. The subject was taken up by Hermann '' about 1890, and he obtained valuable tracings by using the wax-cylinder phonograph. He succeeded in obtaining...plate while the phonograph was slowly travelling. In 1891 Boeke* measured with great accuracy the dimensions of the marks on the wax cylinder, and from... | |
 | Sir Norman Lockyer - 1897 - 900 pages
...taken up by Hermann, and he succeeded in obtaining photographs of the vibrations of the vowel sounds, a beam of light reflected from a small mirror attached...phonograph was slowly travelling. The curves thus obtained were very beautiful. In 1891, Boeke, ina laborious microscopical research, measured the transverse... | |
 | 1882 - 966 pages
...Instrument in which the deflections of the needle are mulI tiplicd to any desired extent by meant) of a beam of light, reflected from a small mirror attached to the needle, which is received upon a screen. The novel feature of Professor Mayer's demonstration consisted... | |
 | John Gray - 1890 - 304 pages
...deflection of the needle will be proportional to the difference of potential, and may be shown on a scale by a beam of light reflected from a small mirror attached to the axis of the needle. The needle is kept at a constant potential by means of a small influence machine... | |
 | 1895 - 708 pages
...Konigsberg, and he succeeded in obtaining photographs of the vibrations produced by the vowel sounds, a beam of light reflected from a small mirror attached to the vibrating disk of the phonograph being allowed to fall on a sensitive photograph film while the phonograph was... | |
 | Royal Philosophical Society of Glasgow - 1897 - 388 pages
...taken up by Hermann, J and he succeeded in obtaining photographs of the vibrations of the rowel sounds, a beam of light reflected from a small mirror attached...phonograph was slowly travelling. The curves thus obtained were very beautiful, and they present a striking resemblance to some of Koenig's flame pictures. In... | |
 | John Gray McKendrick - 1897 - 56 pages
...taken up by Hermann,* and he succeeded in obtaining photographs of the vibrations of the rowel sounds, a beam of light reflected from a small mirror attached...phonograph was slowly travelling. The curves thus obtained were very beautiful, and they present a striking resemblance to some of Koenig's flame pictures. In... | |
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