The Chemical News and Journal of Physical Science, Volumes 29-30

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Griffin, Bohn and Company, 1774

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Página 115 - It is hardly necessary to add, that anything which any insulated body, or system of bodies, can continue to furnish without limitation, cannot possibly be a material substance ; and it appears to me to be extremely difficult, if not quite impossible, to form any distinct idea of anything capable of being excited and communicated in the manner the Heat was excited and communicated in these experiments, except it be MOTION.
Página 216 - WORLDS THAN OURS ; The Plurality of Worlds Studied under the Light of Recent Scientific Researches.
Página 110 - Chemistry, Medicine, Surgery, and the Allied Sciences. A Dictionary of Chemistry and the Allied Branches of other Sciences.
Página 198 - ... thence into the right-hand tube, where it remains, indicating on a graduated scale the exact temperature at the time it was turned over. The woodcut shows the position of the mercury after the instrument has been thus turned on its centre. A is the bulb; B the outer coating or protecting cylinder; c is the space of rarefied air, which is reduced if the outer casing be compressed ; D is a small glass plug, on the principle of...
Página 13 - ... duty, so as to obstruct the prosecution of the manufacture with due advantage. Experiment could, perhaps, alone decide, with certainty, the justness of the suggestions which are made; but, in relation to branches of manufacture so important, it would seem...
Página 9 - This tendency will be in opposition to the lifting of the ascending current, and it will depend on the shape and thickness of the ball whether it will rise or fall when in an ascending current of heated gas. The reason why Mr Crookes did not obtain the same results with a less perfect vacuum was because he had then too large a proportion of air, or non-condensing gas, mixed with the vapour, which also was not in a state of saturation.
Página 169 - Handbook of Practical Telegraphy. By RS Culley, Memb. Inst. CE Engineer-inChief of Telegraphs to the Post-Office. Sixth Edition, Plates &> Woodcuts.
Página 10 - A Dictionary of Chemistry, and the Allied Branches of other Sciences. By HENRY WATTS, FRS, assisted by eminent Scientific and Practical Chemists. The greatest work which England has yet produced on Chemistry —one of the greatest, indeed, which she has produced upon any scientific subject — is finished at last, and we are able to congratulate Mr. Watts most sincerely upon its completion.— Chemical Л'гдо.
Página 11 - In the condition of gas, matter is deprived of numerous and varying properties, with which it appears invested when in the form of a liquid or solid. The gas exhibits only a few grand and simple features. These again may all be dependent upon atomic or molecular mobility. Let us imagine one kind of substance only to exist — ponderable matter ; and further, that matter is divisible into ultimate atoms, uniform in size and weight.

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