Nature, Količina 19Sir Norman Lockyer Macmillan Journals Limited, 1878 |
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Stran 58
... telephone has been successfully used over a line of about half this length . Mr. Adams also informs the writer that at the Paris Exhibition he was able to transmit the music of a piano from Paris to Versailles , a distance of more than ...
... telephone has been successfully used over a line of about half this length . Mr. Adams also informs the writer that at the Paris Exhibition he was able to transmit the music of a piano from Paris to Versailles , a distance of more than ...
Stran 59
... telephone at Norwich was heard perfectly in the Colaments FIG . 4 - General view of the arrangements and accessories of the Carbon Telephone . counting - house at Cannon Street . Conversation then ensued between the two places ; some ...
... telephone at Norwich was heard perfectly in the Colaments FIG . 4 - General view of the arrangements and accessories of the Carbon Telephone . counting - house at Cannon Street . Conversation then ensued between the two places ; some ...
Stran 121
Sir Norman Lockyer. History of the Speaking Telephone As the writer of the article on the history of the telephone , to which so eminent an authority as Prof. Watson takes excep tion in the long and interesting letter he has contributed ...
Sir Norman Lockyer. History of the Speaking Telephone As the writer of the article on the history of the telephone , to which so eminent an authority as Prof. Watson takes excep tion in the long and interesting letter he has contributed ...
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