The Photographic News: A Weekly Record of the Progress of Photography, 19권Cassell, Petter, and Galpin, 1875 |
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actinometer albumenized paper alcohol ammonia appear applied artistic Autotype bromide camera carbon printing cause chemical chloride coating collodion colour Correspondents cyanide dark developer dissolved dry plates effect employed emulsion enlarged ether exhibited experience exposed exposure film filtered fixing gelatine give glass plate grains graphers graphic guncotton heat hypo hyposulphite hyposulphite of soda inches iodide iron lens light matter means meeting metallic method minutes necessary negative nitrate of silver nitric acid O. G. Rejlander obtained operation ordinary ounce paper negative patent perfectly Photographic Society picture piece portrait potassium practical precipitate prepared produced purpose pyrogallic acid quantity Rejlander rendered retouching salt secure sensitive shadows sheet side silver bath sitter soda solution spots studio sulphate sulphocyanide sulphur surface taken tint tion toning Transit of Venus transparent uranium varnish washed whilst
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214 페이지 - The man that hath no music in himself, Nor is not moved with concord of sweet sounds, Is fit for treasons, stratagems and spoils; The motions of his spirit are dull as night And his affections dark as Erebus: Let no such man be trusted.
71 페이지 - Few like Rembrandt knew how' to improve an accident into a beauty, or give importance to a trifle. If ever he had a master, he had no followers. Holland was not made to comprehend his power : the succeeding school consisted of colourists, content to tip the cottage, the hamlet, the boor, the ale-pot, the shambles, and the haze of winter, with orient hues, or the glow of setting summer suns.
196 페이지 - ... creating a violent pricking, suffusion of tears and irresistible sneezing. In time, the membrane begins to be thrown off, and portions of it are carried into the handkerchief used in blowing the nose; this process, when once started, goes on so rapidly that after a period of six or eight days the septum becomes thin, permeated with openings, and is ultimately detached altogether.
273 페이지 - My own impression is that the repulsion accompanying radiation is directly due to the impact of the waves upon the surface of the moving mass, and not secondarily through the intervention of air-currents, electricity, or evaporation and condensation.
5 페이지 - Having thus described the nature of my invention, and the manner of performing the same, I would have it understood that I do not confine myself to the...
26 페이지 - Every seminary of learning may be said to be surrounded with an atmosphere of floating knowledge, where every mind may imbibe somewhat congenial to its own original conceptions. Knowledge, thus obtained, has always something more popular and useful than that which is forced upon the mind by private precepts, or solitary meditation. Besides, it is generally found, that a youth more easily receives instruction from the companions of his studies...
19 페이지 - ... varying according to the amount of exposure. A tint of the decomposed vanadate, which is of so slight an amount as to be with difficulty distinguished from the whiteness of the paper, will, by immersion in the silver nitrate, be toned so as to exhibit a very perceptible tint.
273 페이지 - Whether the aetherial waves actually strike the substance moved, or whether at that mysterious boundary-surface separating solid from gaseous matter there are intermediary layers of condensed gas which, taking up the blow, pass it on to the layer beneath, are problems the solution of which must be left to further research.
196 페이지 - ... be left in contact with the wound, the caustic character of the salt is brought out intensely, the cutaneous tissue is decomposed, and violent inflammation is established. These symptoms are accompanied with intense pain, especially in winter, when the cold is severe ; the action of the salt does not cease until the cauterization has penetrated to the bone.
176 페이지 - THE AERONAUTICAL SOCIETY OF GREAT BRITAIN, FOR THE YEAR 1873, Containing an Account of the Proceedings, and a Selection from the Papers and Communications received by the Society during the year, with concluding Remarks upon the present state of the Science. THE Annual...