 | United States Centennial Commission - 1877 - 768 páginas
...verified with their own ears the electric transmission of speech. This, perhaps the greatest marvel hitherto 'achieved by the electric telegraph, has...electric wire to an ear hundreds of miles distant. 4. Elisha Gray and Samuel Stockton White, Chicago, 111., US GRAY'S ELECTRIC TELEPHONE AND MULTIPLE... | |
 | sir John Bowring - 1878 - 622 páginas
...verified with their own ears the electric transmission of speech. This, perhaps the greatest marvel hitherto achieved by the electric telegraph, has been...electric wire to an ear hundreds of miles distant." The present form of instrument which is now being manufactured in large numbers by the Silvertown Company... | |
 | Institution of Civil Engineers (Great Britain) - 1878 - 468 páginas
...verified with their own ears the electric transmission of speech. This, perhaps the greatest marvel hitherto achieved by the electric telegraph, has been...electric wire, to an ear hundreds of miles distant." Since this high testimonial was given by Sir William Thomson, great improvements have been made in... | |
 | William Tegg - 1878 - 52 páginas
...THE TELEPHONE. their own ears the electric transmission of speech. This, perhaps thc greatest inan'el hitherto achieved by the electric telegraph, has been...spoken words audible through the electric wire to an car hundreds of miles distant." On his return to England from the Centennial Exhibition at Philadelphia,... | |
 | George Bartlett Prescott - 1878 - 450 páginas
...transmission of speech. This, perhaps, the greatest marvel hitherto achieved by the electric Fig. 59. telegraph, has been obtained by appliances of quite...expect that Mr. Bell will give us the means of making the voice and spoken words audible through the electric wire to an ear hundreds of miles distant The... | |
 | William Tegg - 1878 - 346 páginas
...verified with their own ears the electric transmission of speech. This, perhaps the greatest marvel hitherto achieved by the electric telegraph, has been...somewhat more advanced plans and more powerful apparatus, ive may confidently expect that Mr. Bell will give us tlie means of making voice and spoken words audible... | |
 | William Tegg - 1878 - 354 páginas
...transmission of speech. This, perhaps the greatest marvel hitherto achieved by the electric tclegrapl1, has been obtained by appliances of quite a homespun...rudimentary character. With somewhat more advanced plans and men powerful apparatus. we may confidently expect that Mr. Btll will give us the means of making voice... | |
 | William Tegg - 1878 - 362 páginas
...ears the electric transmission of speech. This, perhaps the greatest marvel hitherto achieved by thc electric telegraph, has been obtained by appliances of quite a homespun and rudimentary character. J Vith somewhat more advanced plans and more powerful apparatus, we may confidently expect that Mr.... | |
 | Effie Webster, A. T. Sears - 1879 - 184 páginas
...transmiss1on of spoken words by electric currents through a telegraph wire. This, perhaps the greatest marvel hitherto achieved by the electric telegraph, has been...rudimentary character. With somewhat more advanced plans and powerful apparatus, we may confidently expect that Mr. Bell will give us the means of making voice... | |
 | George Bartlett Prescott - 1884 - 560 páginas
...transmission of speech. This, perhaps, the greatest marvel hitherto achieved by the electric Fig. 59. telegraph, has been obtained by appliances of quite...expect that Mr. Bell will give us the means of making the voice and spoken words audible through the electric wire to an ear hundreds of miles distant The... | |
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I need scarcely say I was astonished and delighted. So were others, including some judges of our group, who witnessed the experiments and verified with their own ears the electric transmission of speech. This, perhaps the greatest marvel hitherto achieved... 
