Quarterly Journal of Science: 1870, Том 7John Churchill and Sons, 1870 |
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Страница 5
... position will be reached where no sound is heard . This occurs when the prongs are oblique in reference to the ear , and the waves generated by each prong exactly interfere . If the interference be only partial , beats , or intervals of ...
... position will be reached where no sound is heard . This occurs when the prongs are oblique in reference to the ear , and the waves generated by each prong exactly interfere . If the interference be only partial , beats , or intervals of ...
Страница 16
... position of B and the upper C in the spectrum are calculated from the musical ratios . This coincidence , as unexpected as it is perfect , is represented in the two upper figures on the Plate . * Had space permitted , we should have ...
... position of B and the upper C in the spectrum are calculated from the musical ratios . This coincidence , as unexpected as it is perfect , is represented in the two upper figures on the Plate . * Had space permitted , we should have ...
Страница 29
... position of the sun more convenient for observa- tion , instead of being almost vertical . The principal points which had to be observed were the nature of the protuberances , examined with the spectroscope and recorded photographically ...
... position of the sun more convenient for observa- tion , instead of being almost vertical . The principal points which had to be observed were the nature of the protuberances , examined with the spectroscope and recorded photographically ...
Страница 31
... The various parties having reached their destinations , arrange- ments were at once made to get the instruments into position . In the case of the Burlington party , all went smoothly 1870. ] 31 The Solar Eclipse of August last .
... The various parties having reached their destinations , arrange- ments were at once made to get the instruments into position . In the case of the Burlington party , all went smoothly 1870. ] 31 The Solar Eclipse of August last .
Страница 32
... position of the sun at the middle of the total eclipse . The accompanying woodcut may be regarded as a key to the coloured picture , and will serve to facilitate the following description of the phenomena : The line A B represents the ...
... position of the sun at the middle of the total eclipse . The accompanying woodcut may be regarded as a key to the coloured picture , and will serve to facilitate the following description of the phenomena : The line A B represents the ...
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acid ammonia amongst amount animals appears Archæology astronomers asylums atmosphere blast furnaces carbon carbonic acid Carboniferous Cecidomyia cells celts cent chemical chromosphere cinchona Cleveland coal colour containing corona cromlech deposited described diamagnetic disc distance district Dukinfield eclipse electricity England examined exist experiments fact feet fossil Fuller's-Earth furnaces Geological glass heat height hydrogen important inches increase India insane iron ironstone Journal known labour lectures light manufacture matter means megalithic metal Middlesbrough miles mineral mines motion nature notice observations obtained Oolite organic paper period physical plants plate portion present probably produced Professor quantity rainfall recently remarkable Report rocks scientific sewage Society solar solar eclipse species spectrum stations stone strata structure substances sulphuric acid sun's surface Survey temperature tion Triassic tube tumuli whilst zodiacal light
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