 | Benjamin Martin - 1747 - 574 páginas
...; and of three Numbers it is, vvhen the Firjt is to the Third, as the Dif'ference between the Firfi and Second is to the Difference between the Second and Third, as the Num2. Now iince the Tending Force F acts upon the String in the Direction DB, it may be reprefented... | |
 | Isaac Dalby - 1806 - 526 páginas
...and that of the second and third by b. If 3 numbers are in musical proportion, the first wilt he (o the third, as the difference between the first and second, is to the difference of the second and third. Let the first number be i ; Then the second will be * + a; And the third ............... | |
 | Isaac Dalby - 1813 - 538 páginas
...that of the second and third by b. m If three numbers are ia musical proportion, the first will be to the third, as the difference between the first and second, is to the difference of the second and third. Let the first number be * ; Then the second will be x + a; And the third ............... | |
 | James Maginness - 1821 - 378 páginas
...366503875.925. HARMONICAL PROPORTI0N. Harmonical Proportion is that, which is between those numbers that assign the lengths of musical intervals, or the lengths...between the second and third, as the numbers 3, 4, and 6; for 3 : 6 : : 4 — 3 : 6—4. If the lengths of strings be as the numbers 3, 4, and 6, they... | |
 | Euclides - 1821 - 294 páginas
...3 : 6, permutando 1 : 8 : : 2 : 6 *'. e . the first term of the series is to the second as the dif. between the first and second is to the difference between the second and third ; and since the second term is greater than the first, it follows that the difference between the second... | |
 | James Maginness - 1821 - 378 páginas
...a fifth 2 to 3, and a fourth 3 to 4. Again, between four numbers, when the first is to the fourth, as the difference between the first and second, is to the difference between the third and fourth, as in the numbers 5, 6, 8, 10; for 5 : 10 :: 6—5 : 10—8, and strings of the lengths... | |
 | Nicolas Pike - 1832 - 538 páginas
...number* it is, when ¡he .first is to tlit third-, a* the difference hetwec.:. the first anil lironda to the difference between the second and third, as the numbers 3, 4, 6. Thus, if the lengths of strings be as these numbers, they will EOUII 1 an octave 3 to 6, a filth Ü to 'J, and a... | |
 | Beriah Stevens - 1822 - 436 páginas
...a fifth 2 to 3, and a fourth 3 to 4. Again, between four numbers, when the first ie to the fourth, as the difference between the first and second, is to the difference between the third and fourth, as in the numbers 5, 6, 8, 10 : For strings of such lengths will sound an octave... | |
 | George Crabb - 1823 - 704 páginas
...as the difference between the second and third ; or in four terms, when the first is to the fourth as the difference between the first and second is to the difference between the third and the fourth ; the reciprocals of an arithmetical proportion are in harmonica) proportion.... | |
 | 1823 - 936 páginas
...geometrical series. 3. Harmonic Series is that in which the first of any three of its consecutive terms is to the third, as the difference between the first and second to the difference between the second and third : hence we readily find that putting a and 6 for its... | |
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... when the first is to the third, as the difference between the first and second is to the difference between the second and third, as the numbers 3, 4, 6. 
