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1 - 3 találat összesen 13 találatból.
65. oldal
The sounds heard in the latter room are clearly caused solely by the vibrations of the disc , which vibrations have ... The voice of a friend may be readily recognised , and this can only arise from some particular mode of vibration ...
The sounds heard in the latter room are clearly caused solely by the vibrations of the disc , which vibrations have ... The voice of a friend may be readily recognised , and this can only arise from some particular mode of vibration ...
68. oldal
By means of a reed vibrating between a pair of electro - magnets and kept in vibration automatically , a current sent through the circuit was rendered intermittent . The receiving instrument consisted of an electro - magnet capable of ...
By means of a reed vibrating between a pair of electro - magnets and kept in vibration automatically , a current sent through the circuit was rendered intermittent . The receiving instrument consisted of an electro - magnet capable of ...
71. oldal
The possibility of transmission of sounds through the Bell telephone is due to the wonderful sensitiveness of the ear to vibration in the air of even the smallest amplitude . That the amplitude of the aërial vibrations to which the ear ...
The possibility of transmission of sounds through the Bell telephone is due to the wonderful sensitiveness of the ear to vibration in the air of even the smallest amplitude . That the amplitude of the aërial vibrations to which the ear ...
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Tartalomjegyzék
PART I | 5 |
Great Britain in 1837 and 1887 By WILLIAM E A AXON 19 | 19 |
Abstracts of Important Acts of Parliament passed in 1887 | 29 |
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amount annual appears architects Bank become Board breeding British building called carried cause cent charge Colonies colour comet connection cost course Court designs duty Earl effect eggs England English Exhibition fact foreign fowls France French give given Government head Henry High horses House important increase industry interest Ireland island Italy John kind Kingdom Land less letters LL.D London Lord March marked Master means miles months morn natural Office Pall Mall passed period persons possession Post poultry present produced Professor profit provides race received respect result Royal schools season Society sound Street success tion trade United vibration West