Boston Journal of Philosophy and the Arts: Intended to Exhibit a View of the Progress of Discovery in Natural Philosophy, Mechanics, Chemistry, Geology and Mineralogy, Natural History, Comparative Anatomy and Physiology, Geography, Statistics, and the Fine and Useful Arts, 2권Cummings, Hilliard, & Company, 1825 |
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271 페이지
... conductor , I endeavoured to ascertain whether this circumstance would influence the results ; by placing two very fine copper wires , one undefended , the other defended by a particle of zinc , in a very large vessel of sea water ...
... conductor , I endeavoured to ascertain whether this circumstance would influence the results ; by placing two very fine copper wires , one undefended , the other defended by a particle of zinc , in a very large vessel of sea water ...
429 페이지
... ) , is to direct work- men in the construction and mode of fixing conductors on From the Annales de Chimie . 55 VOL . II.-NO. 5 . buildings , & c . It is divided into two Prof. Dæbereiner's recent Discovery , to Eudiometry . 429.
... ) , is to direct work- men in the construction and mode of fixing conductors on From the Annales de Chimie . 55 VOL . II.-NO. 5 . buildings , & c . It is divided into two Prof. Dæbereiner's recent Discovery , to Eudiometry . 429.
430 페이지
... conductors of elec- tricity as not to oppose some resistance ; which being repeated in every portion of the conductor , increases with its length , and may exceed that which would be offered by a worse , but shorter conductor . Conductors ...
... conductors of elec- tricity as not to oppose some resistance ; which being repeated in every portion of the conductor , increases with its length , and may exceed that which would be offered by a worse , but shorter conductor . Conductors ...
431 페이지
... conductor of its electricity , is to connect it with the moist ground . Of several conductors of very unequal powers , the electric fluid will always choose the most perfect ; but if their differ- ences be small , it will be divided ...
... conductor of its electricity , is to connect it with the moist ground . Of several conductors of very unequal powers , the electric fluid will always choose the most perfect ; but if their differ- ences be small , it will be divided ...
432 페이지
... conductors , and in perfect communication with a moist soil . A paratonnerre perfectly connected with the ground ... conductor ; and they are now at- tached to buildings after that rule . A current of electric matter whether luminous ...
... conductors , and in perfect communication with a moist soil . A paratonnerre perfectly connected with the ground ... conductor ; and they are now at- tached to buildings after that rule . A current of electric matter whether luminous ...
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action angle animals appears arrack ascertained atmosphere aurora borealis ball beds carbonic carbonic acid cause centre circumstances clay coco-nut coefficient colour conductor considerable contains copper crystals degree deposits diameter direction distance earth electricity employed equal Europe evaporation experiments exposed feet fissures fluid formation geognostical glass gneiss granite greywackes height hornblende hyæna hydrogen inches iron Klaproth labour larvæ latitude less light lignite limestone luminous magnetic manner mass means mercury metal miles mineral mixture mountains muriatic acid nature nearly needle nitric acid observed obtained oxide oxygen paratonnerre pass plate platinum poison porphyries portion present produced proportion Puracé quantity quartz rays remarkable rendered rocks selenium shock slate species specimens stone substance sufficient sulphuric acid surface syenite temperature term thermometer tion trachytes tree vapour vessel volcano whole wire zinc