Proceedings of the American Academy of Arts and Sciences, 2권;5권Metcalf and Company, 1862 Vol. 12 (from May 1876 to May 1877) includes: Researches in telephony / by A. Graham Bell. |
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53 페이지
... solution of this fine silver in nitric acid became blue when neutralized with ammonia . The filtrate from the mixed precipitate of sulphate of lead and gold ( see p . 56 ) contained a decided trace of copper and a fainter trace of iron ...
... solution of this fine silver in nitric acid became blue when neutralized with ammonia . The filtrate from the mixed precipitate of sulphate of lead and gold ( see p . 56 ) contained a decided trace of copper and a fainter trace of iron ...
55 페이지
... solution distinctly acid . The whole was then heated in a water - bath , and a strong solution of pure chloride of ammo- nium added , until chloride of silver was no longer precipitated , care being taken to avoid adding an unnecessary ...
... solution distinctly acid . The whole was then heated in a water - bath , and a strong solution of pure chloride of ammo- nium added , until chloride of silver was no longer precipitated , care being taken to avoid adding an unnecessary ...
56 페이지
... solution of gold in sulphuric acid is formed when the mixed nitrates , etc. are treated with sulphuric acid , and unless this compound be entirely destroyed by heating , it will be subsequently decomposed when water is added , and give ...
... solution of gold in sulphuric acid is formed when the mixed nitrates , etc. are treated with sulphuric acid , and unless this compound be entirely destroyed by heating , it will be subsequently decomposed when water is added , and give ...
57 페이지
... solution evapo- rated with sulphuric acid until all the nitric acid had been expelled , subsequently treated with ... solutions of coin were forced to undergo ; but not a trace of sulphate of lead , or of any precipitate , other than a ...
... solution evapo- rated with sulphuric acid until all the nitric acid had been expelled , subsequently treated with ... solutions of coin were forced to undergo ; but not a trace of sulphate of lead , or of any precipitate , other than a ...
59 페이지
... solution evaporated to dry- ness , the residue taken up with water , and the solution filtered ; in the filtrate lead was detected , while the residue contained gold . With regard to this residue of gold , which has also been alluded to ...
... solution evaporated to dry- ness , the residue taken up with water , and the solution filtered ; in the filtrate lead was detected , while the residue contained gold . With regard to this residue of gold , which has also been alluded to ...
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4to pamph 8vo pamph Academy acheniis acuminatis acutis antimony apice Apothecia appears atomic weight attenuatis basi Benth Bonnæ brevibus brevioribus breviter calyce calyx capitulis capsula Captain Rodman caule chloride chromate chromate of chromic chromate of potash chrome alum chromic oxide chromium Class collection corolla Cr₂O3 CrO3 demum diameter disk Dissertatio exciple Feejee Islands fere floribus flowers Folia foliis formula fruit Gaud genus glabra Gray Greek Hook inch integerrimis Jahr Kauai lanceolatis Latin leaves length less lichen ligulis linearibus lobes lobis London longiores longioribus manganate margin nitric acid nunc Oahu oblongis obtusis ovatis oxygen pappo pappus parvis paullo pedicellis pedunculis petiolatis petiolum PHYLLOSTEGIA plant precipitate Professor publice defendet radial pieces ramis Royal sæpius Sandwich Islands Sciences sessilibus Society solution species specimens Sporæ spores sporoblasts Subjunctive subtus Thallus tion Torr tubo utrinque weight δὲ καὶ τὰ τὴν τῆς τὸ τοῦ τῶν
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232 페이지 - Of Law there can be no less acknowledged than that her seat is the bosom of God ; her voice the harmony of the world. All things in heaven and earth do her homage ; the very least as feeling her care, and the greatest as not exempted from her power.
103 페이지 - Besides, independently of that delight and vanity which I have described, it is the peculiar and perpetual error of the human intellect to be more moved and excited by affirmatives than by negatives; whereas it ought properly to hold itself indifferently disposed towards both alike. Indeed in the establishment of any true axiom, the negative instance is the more forcible of the two.
267 페이지 - New England Congregationalism in its origin and purity; illustrated by the foundation and early records of the First Church in Salem, and various discussions pertaining to the subject. By DA White.
190 페이지 - Manual of the Botany of the Northern United States was in preparation, Mr.
432 페이지 - Gift of the State of New York. 13034, 0. 5. Sixth annual report of the Regents of the University of the State of New York on the condition of the State Cabinet of Natural History, &o.
49 페이지 - The Motions of Fluids and Solids relative to the Earth's Surface ; comprising Applications to the Winds and the Currents of the Ocean.
114 페이지 - Characters of new or obscure species of plants of monopetalous orders in the collection of the United States South Pacific Exploring Expedition under Captain Wilkes, USN With occasional remarks, &c. (American Academy of Arts and Sciences.
47 페이지 - Descriptions of New Species of Fossils, from the Palaeozoic Rocks of the Western States.
40 페이지 - München. 1858. Untersuchungen über die Richtung und Stärke des Erdmagnetismus in Nord-Deutschland, Belgien, Holland, Dänemark im Sommer des Jahres 1858, Ausgeführt und auf Oeffentliche Kosten Herausgegeben von Dr.
45 페이지 - SCRIBNER, JM Engineers' and Mechanics' Companion. Comprising United States Weights and Measures, Mensuration of Superfices and Solids, Tables of Squares and Cubes, Square and Cube Roots, Circumference and Areas of Circles, the Mechanical Powers. Centres of Gravity, Gravitation of Bodies, Pendulums, Specific Gravity of Bodies, Strength, Weight and Crush of Materials, Water-wheels, Hydrostatics, Hydraulics, Statics...