Proceedings of the American Academy of Arts and Sciences, Volumen7Metcalf and Company, 1868 Vol. 12 (from May 1876 to May 1877) includes: Researches in telephony / by A. Graham Bell. |
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Página 33
... p . 305 ) . They have been reduced from English feet to meters for ... not great enough to eliminate all the accidental and other irregularities ... not sensibly altered at Lorient by breezes VOL . VII . 5 or fresh winds , but that it ...
... p . 305 ) . They have been reduced from English feet to meters for ... not great enough to eliminate all the accidental and other irregularities ... not sensibly altered at Lorient by breezes VOL . VII . 5 or fresh winds , but that it ...
Página 40
... P. For since the cone , x2 + y2 + z2 = 0 , ( 3 ) which envelops that circle , is sensibly asymptotic to the surfaces ( 2 ) when is indefinitely large , the common tangent - planes to those sur- faces then differ not ... cannot cross one of ...
... P. For since the cone , x2 + y2 + z2 = 0 , ( 3 ) which envelops that circle , is sensibly asymptotic to the surfaces ( 2 ) when is indefinitely large , the common tangent - planes to those sur- faces then differ not ... cannot cross one of ...
Página 43
... p double contacts and q envelope - contacts with surfaces V + μY , so has V with surfaces U + λY . Of the fact that ... not thus co - planar , are generators of some homofocal to V ; and that when U is a quadric of revolution , its foci ...
... p double contacts and q envelope - contacts with surfaces V + μY , so has V with surfaces U + λY . Of the fact that ... not thus co - planar , are generators of some homofocal to V ; and that when U is a quadric of revolution , its foci ...
Página 68
... not patent his valuable invention . Dr. Jeffries Wyman presented the ... no record of his method of making them , and further- more , the possibility of measuring the ... p . 389. Paris , 1740 . The first person who appears to have called ...
... not patent his valuable invention . Dr. Jeffries Wyman presented the ... no record of his method of making them , and further- more , the possibility of measuring the ... p . 389. Paris , 1740 . The first person who appears to have called ...
Página 69
... not ex- pect a closer approximation to exact measurement than that just stated . Lord Brougham , who , of later ... p . 351 . * Natural Theology , London , 1856 , p . 224 . ↑ Ibid . , p . 197 . ↑ Ibid . , p . 324 . § Ibid . , p . 191 ...
... not ex- pect a closer approximation to exact measurement than that just stated . Lord Brougham , who , of later ... p . 351 . * Natural Theology , London , 1856 , p . 224 . ↑ Ibid . , p . 197 . ↑ Ibid . , p . 324 . § Ibid . , p . 191 ...
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Términos y frases comunes
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