 | 1802 - 542 頁
...revolutions the negative ball will grow warm, and the pofitive ball remain cold If the revolutions amount to about 202, the negative ball will be too hot for...hand to touch, while the other remains as cold as at firil. Common ihores, drains, &c. often emit noxious and oiFcnfive air. Whenever Inch air is generated... | |
 | Samuel Latham Mitchill - 1803 - 508 頁
...the positive one ; after about fifty revolutions, the negative ball will grow warm, and the positive ball remain cold ; if the revolution be continued...while the other remains as cold as at the beginning.. [Month. Mag. Dec. 1802. . PROCESS FOR COPYING MANUSCRIPTS. Citizen Coquebert has lately communicated... | |
 | 1827 - 600 頁
...ball will grow warm, and the positive will remain cold. If the revolution be continued to about 292, the negative ball will be too hot for the hand to...while the other remains as cold as at the beginning. I am, Mr. Editor, AMICUS. FILE DRIVING. Sir, — I shall feel obliged to any of your correspondents,... | |
 | Perry Fairfax Nursey - 1827 - 588 頁
...ball will grow warm, and the positive vrill remain cold. If the revolution be continued to about dOá. the negative ball will be too hot for the hand to touch, while the other remains us cold as at the beginning, 1 am, Mr. Editor, AÍIICUS. ГП.К DRIVING. Sir, — I shall feel obliged... | |
 | 1802 - 688 頁
...pofitive ball remain cold j if the resolution be continued to about 101, the negative hall will be to* hot for the hand to touch, while the other remains as cold as at the beginning. Mr. EZEKIEL WALKER has difcovered a cheap method ol producing light, which he thinks polfeflls Advantages... | |
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... ball remain cold ; if the revolution be continued to about 202, the negative ball will be too hot for the hand to touch, while the other remains as cold as at the beginning.. 