 | United States. Supreme Court - 1888 - 632 páginas
...what is wanted. The art consists in so controlling the force as to make it accomplish the" purpose. It had long been believed that if the vibrations of...could be done by gradually changing the intensity of a continuous electric current, so as to make it correspond exactly to the changes in the density of... | |
 | United States. Patent Office - 1889 - 700 páginas
...controlling tlie lorce as to make it accomplish the purpose. It had long lieen believed that if thfl vibrations of air caused by the voice in speaking...could be done by gradually changing the intensity of a continuous electric current, so as to make it correspond exactly to the changes in the density of... | |
 | 1897 - 360 páginas
...what is wanted. The art consists in so controlling the force as to make it accomplish the purpose. It had long been believed that if the vibrations of...could be done by gradually changing the intensity of a continuous electric current so as to make it correspond exactly to the changes in the density of... | |
 | 1899 - 804 páginas
...what is wanted. The art consists in so controlling the force as to make it accomplish the purpose. It had long been believed that if the vibrations of...could be done by gradually changing the intensity of a continuous electric current, so as to make it correspond exactly to the changes in the density of... | |
 | United States. Patent Office - 1899 - 812 páginas
...what is wanted. The art consists in so controlling the force as to make it accomplish the purpose. It had long been believed that if the vibrations of...distance by means of electricity the speech itself would bo reproduced and understood. How to do it was the question. Bell discovered that it could be done... | |
 | 1912 - 480 páginas
...the force as to make it accomplish the purpose." "It had long been believed that if the vibra^ tions of air caused by the voice in speaking could be reproduced...could be done by gradually changing the intensity of a continuous electric current so as to make it correspond exactly to the changes in the density of... | |
 | 1914 - 538 páginas
...what is wanted. The art consists in so controlling the force as to make it accomplish the purpose." "It had long been believed that if the vibrations...could be done by gradually changing the intensity of a continuous electric" current so as to make it correspond exactly to the changes in the density of... | |
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It had long been believed that, if the vibrations of air caused by the voice in speaking could be reproduced at a distance by means of electricity, the speech itself would be reproduced and understood. How to do it was the question. Bell discovered that... 
