Quarterly Journal of Science: 1870, Том 7John Churchill and Sons, 1870 |
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Страница 3
... noticed . The same considerations apply to light and sound . When a bell is struck its vibrations are delivered to the air around ; a system of aerial pulses or waves is thus generated , which reaching the ear give rise to the sensation ...
... noticed . The same considerations apply to light and sound . When a bell is struck its vibrations are delivered to the air around ; a system of aerial pulses or waves is thus generated , which reaching the ear give rise to the sensation ...
Страница 7
... exists , may readily be noticed by listening to the ticking of a watch . The cause , probably , arises from habitually sleeping on the right side . spreads out to form the retina , upon the terminal 1870. ] 7 Light and Sound .
... exists , may readily be noticed by listening to the ticking of a watch . The cause , probably , arises from habitually sleeping on the right side . spreads out to form the retina , upon the terminal 1870. ] 7 Light and Sound .
Страница 10
... noticed that columns of alternately hot and cold air enfeebled the passage of sound just as they lessened the passage of light . In the same way through fog , sound , like light , is propagated with extreme difficulty . The cause of ...
... noticed that columns of alternately hot and cold air enfeebled the passage of sound just as they lessened the passage of light . In the same way through fog , sound , like light , is propagated with extreme difficulty . The cause of ...
Страница 16
... noticed over the spectrum on the Plate a scale of actual wave- lengths , by which the remarkable but natural crowding together of the colours at the red end is well seen . + First accomplished by M. Lissajous . On this subject an able ...
... noticed over the spectrum on the Plate a scale of actual wave- lengths , by which the remarkable but natural crowding together of the colours at the red end is well seen . + First accomplished by M. Lissajous . On this subject an able ...
Страница 34
... noticed a remarkable phenomenon , which , although not bearing directly on the eclipse phenomena , is sufficiently rare to make it deserve recording in these pages . Whilst examining the spectrum of a large group of spots near the sun's ...
... noticed a remarkable phenomenon , which , although not bearing directly on the eclipse phenomena , is sufficiently rare to make it deserve recording in these pages . Whilst examining the spectrum of a large group of spots near the sun's ...
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