...of the Franklin schoolboiiM in Washington, and the sensitive receiver was arranged in one of tli'.1 windows of my laboratory, 1325 L Street, at a distance...to prolong the electric circuit connected with the seli'mon receiver, so as to place the telephones in another room. 87 such experiments we have found...

...receiver was arranged in one of the windows of my laboratory, 1825 L Street, at a distance of 213 meters. Upon placing the telephone to my ear, I heard distinctly...transmitting and receiving instruments are necessarily within ear -shot of one another, and we have therefore been accustomed to prolong the electric circuit connected...

...sensitive receiver was arranged in one of the windows of my laboratory, 1325 L Street, at a distance of 213 metres. Upon placing the telephone to my ear I heard...what I say, come to the window and wave your hat." We have found that articulate speech can be reproduced by the oxyhydrogen light, and even by the light...

...entendu distinctement les paroles suivantes, en'plaçantle téléphone à son oreille : « Mr Rell, if you hear what I say, come to the window and wave your hat. » (Monsieur Hell, si vous entendez ce que je vous dis, venez à la fenêtre et agitez voire chapeau.)...

...entendu distinctement les paroles suivantes, en'plaçant le téléphone à son oreille : « Mr Rell, if you hear what I say, come to the window and wave your hat. » (Monsieur Bell, si vous entendez ce que je vous dis, venez à la fenûtre et agitez voire chapeau.)...

...receiver was arranged in one of the FIG. 6. windows of my laboratory, 1325 L Street, at a distance of 213 metres. Upon placing the telephone to my ear, I heard...receiver, so as to place the telephones in another room. A MiitaMe apparatus for doing this is a perforated disk' be rapidlj rotated. The great advantage of...

...receiver was arranged in one of the Fio. 6. windows of my laboratory, 1325 L Street, at a distance of 213 metres. Upon placing the telephone to my ear, I heard...necessarily within earshot of one another, and we bavc therefore been accustomed to prolong the electric circuit connected with the selenium receiver,...

...receiver was arranged in one of the FIO. 6. windows of my laboratory, 1325 L Street, at a distance of 213 metres. Upon placing the telephone to my ear, I heard...the words : — "Mr. Bell, if you hear what I say, como to the window and wave your hat." In laboratory experiments the transmitting and receiving instruments...

...saw me disappear from the window, and at once spoke to the transmitter. I heard him distinctly say, ' Mr. Bell, if you hear what I say come to the window and wave your hat.' It is needless to say with what gusto I obeyed." This feat proves that the photophone will yet be employed...

...saw me disappear from the window, and at once spoke to the transmitter. I heard him distinctly say, ' Mr. Bell, if you hear what I say come to the window and wave your hat.' It is needless to say with what gusto I obeyed." This feat proves that the photophone will yet be employed...