Researches on Light in Its Chemical Relations: Embracing a Consideration of All the Photographic ProcessesLongman, Brown, Green, and Longmans, 1854 - 396 стор. |
З цієї книги
Результати 1-5 із 100
Сторінка 10
... exposed it in the focus of a burn- ing glass ; immediately the surface of this earth was re- duced to silver . " The following experiments are instructive . " I precipitated a solution of silver by sal - ammoniac ; then I edulcorated ...
... exposed it in the focus of a burn- ing glass ; immediately the surface of this earth was re- duced to silver . " The following experiments are instructive . " I precipitated a solution of silver by sal - ammoniac ; then I edulcorated ...
Сторінка 13
... exposed in a damp state , than if the solution was permitted to dry on them previous to exposure . ( 17. ) Arguing from the facility with which most of the metallic oxides are reduced , by means of charcoal when exposed to a high ...
... exposed in a damp state , than if the solution was permitted to dry on them previous to exposure . ( 17. ) Arguing from the facility with which most of the metallic oxides are reduced , by means of charcoal when exposed to a high ...
Сторінка 17
... exposure , always became acid . The same observer found that ammonia and phosphorus exposed to the sun's rays were rapidly converted into phosphuretted hydrogen and a black powder - phosphuret of ammonia . C Vogel also noticed that the ...
... exposure , always became acid . The same observer found that ammonia and phosphorus exposed to the sun's rays were rapidly converted into phosphuretted hydrogen and a black powder - phosphuret of ammonia . C Vogel also noticed that the ...
Сторінка 20
... exposed for a certain time to the action of each ray , he observed sensible effects , though with an intensity ... exposed more than two hours to this brilliant point of light , without undergoing any sensible alteration . On the ...
... exposed for a certain time to the action of each ray , he observed sensible effects , though with an intensity ... exposed more than two hours to this brilliant point of light , without undergoing any sensible alteration . On the ...
Сторінка 33
... exposure of two or three hours was necessary to produce an impression from an engraving , even under the influence ... exposed the tablet to the vapour of petroleum , by which a much more certain effect was produced . ( 36. ) A ...
... exposure of two or three hours was necessary to produce an impression from an engraving , even under the influence ... exposed the tablet to the vapour of petroleum , by which a much more certain effect was produced . ( 36. ) A ...
Інші видання - Показати все
Загальні терміни та фрази
actinic ammonia appears Becquerel bleaching blue rays brown calotype camera obscura carbonic acid chemical action chemical change chemical rays chloride of silver chromate collodion COLLODION PROCESS colour combination copper Daguerreotype dark darkened distilled water dried Edition effect Engravings experiments exposed exposure fluid formed gallic acid germination gold green rays heat hyposulphite of soda impression influence intensity iodide of silver iodine iron least refrangible Light luminous rays mercury metallic minutes Niepce nitrate of silver nitric acid observed obtained orange oxide oxygen paper peculiar phenomena photographic picture placed plants portion Post 8vo potash potassium precipitate prepared prism prismatic spectrum produced Prussian blue quantity quinine radiations red rays refrangible rays remarkable salts of silver sensitive Sir John Herschel solar rays solution of nitrate space sun's rays sunshine surface tint tion uranium glass vapour violet rays visible vols washed yellow rays
Популярні уривки
Сторінка 393 - OF PLANTS; Including all the Plants which are now found in, or have been introduced into, Great Britain ; giving their Natural History, accompanied by such descriptions, engraved figures, and elementary details, as may enable a beginner, who is a mere English reader, to discover the name of every Plant which he may find in flower, and acquire all the information respecting it which is useful and interesting.
Сторінка 1 - Professor Owen's Lectures on the Comparative Anatomy and Physiology of the Vertebrate Animals, delivered at the Royal College of Surgeons in 1844 and 1846.
Сторінка 8 - Dr. Ure's Dictionary of Arts, Manufactures, and Mines : Containing a clear Exposition of their Principles and Practice.
Сторінка 385 - Burton.— The History of Scotland, from the Revolution to the Extinction of the last Jacobite Insurrection (1689—1748).
Сторінка 389 - Last Days of Our Lord's Ministry: A Course of Lectures on the principal Events of Passion Week.
Сторінка 389 - Haydn's Book of Dignities: Containing Rolls of the Official Personages of the British Empire, Civil, Ecclesiastical, Judicial, Military...
Сторінка 383 - Bayldon's Art of Valuing Rents and Tillages, and Tenant's Right of Entering and Quitting Farms, explained by several Specimens of Valuations; with Remarks on the Cultivation pursued on Soils in different Situations. Adapted to the Use of Landlords, Land-Agents, Appraisers, Farmers, and Tenants. New Edition ; corrected and revised by JOHN DONALDSON.
Сторінка 393 - London's Encyclopaedia of Agriculture: comprising the Laying-out, Improvement, and Management of Landed Property, and the Cultivation and Economy of the Productions of Agriculture. With 1,100 Woodcuts. 8vo. 21s. London's Encyclopaedia of Gardening: comprising the Theory and Practice of Horticulture, Floriculture, Arboriculture, and Landscape Gardening.
Сторінка 384 - Encyclopaedia of Rural Sports; or, a complete Account, Historical, Practical, and Descriptive, of Hunting, Shooting, Fishing, Racing, and other Field Sports and Athletic Amusements of the present day.
Сторінка 388 - Esq. Illustrated by Wood Engravings, from Designs by Members of the Etching Club. Square crown 8vo.