Chemical News and Journal of Industrial Science, Tomy 31-32Chemical news office., 1875 |
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Strona 2
... light was admitted through a small hole , and also the focus of a large lens was thrown upon the paper , with the intention of observing whether it would be moved by the impulse of light ; but though these experiments were often ...
... light was admitted through a small hole , and also the focus of a large lens was thrown upon the paper , with the intention of observing whether it would be moved by the impulse of light ; but though these experiments were often ...
Strona 73
... light in plants may be chiefly ascribed to the so - called chemical rays of light . Simple Eye - Piece Spectroscope for Stars . - F . Zöll- fessor Frankland , " On River Pollution . " 9 . Society of Arts , 8. ( Chemical Section ...
... light in plants may be chiefly ascribed to the so - called chemical rays of light . Simple Eye - Piece Spectroscope for Stars . - F . Zöll- fessor Frankland , " On River Pollution . " 9 . Society of Arts , 8. ( Chemical Section ...
Strona 220
... light emitted by benzoic acid during its sublimation ; the flash of light that accompanies the cleavage of a plate o mica , when one fragment is found to be electro - positive and the other electro - negative , immediately after the ...
... light emitted by benzoic acid during its sublimation ; the flash of light that accompanies the cleavage of a plate o mica , when one fragment is found to be electro - positive and the other electro - negative , immediately after the ...
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