Researches on Light in Its Chemical Relations: Embracing a Consideration of All the Photographic ProcessesLongman, 1854 - 396 стор. |
З цієї книги
Сторінка 15
... placed in the dark it fell off green ; if only a part , the rest of the parenchyma changed colour , and the co- vered portion retained its original colour . " † Researches of this character were continued by different investigators , a ...
... placed in the dark it fell off green ; if only a part , the rest of the parenchyma changed colour , and the co- vered portion retained its original colour . " † Researches of this character were continued by different investigators , a ...
Сторінка 17
... placed at the distance of about nine inches from the mi- croscope . In the course of an hour , portions of three dark rings were very distinctly visible , much smaller than the brightest rings of the coloured image , and coinciding very ...
... placed at the distance of about nine inches from the mi- croscope . In the course of an hour , portions of three dark rings were very distinctly visible , much smaller than the brightest rings of the coloured image , and coinciding very ...
Сторінка 23
... copied without difficulty on prepared paper . This will probably be a useful application of the method ; that it may be employed successfully , however , it is necessary that the paper be placed at but a small distance C 4.
... copied without difficulty on prepared paper . This will probably be a useful application of the method ; that it may be employed successfully , however , it is necessary that the paper be placed at but a small distance C 4.
Сторінка 31
... placed upon heated iron , which is wrapped round with several folds of paper , from which , by this method , all moisture has been previously expelled . When the varnish has ceased to simmer , the plate is withdrawn from the heat , and ...
... placed upon heated iron , which is wrapped round with several folds of paper , from which , by this method , all moisture has been previously expelled . When the varnish has ceased to simmer , the plate is withdrawn from the heat , and ...
Сторінка 32
... placed upon an inclined plane , over which a stream of water is carefully poured . It should be observed that the Light solidifies the varnish , and renders it less soluble than the parts upon which the shadows have fallen . In the same ...
... placed upon an inclined plane , over which a stream of water is carefully poured . It should be observed that the Light solidifies the varnish , and renders it less soluble than the parts upon which the shadows have fallen . In the same ...
Інші видання - Показати все
Загальні терміни та фрази
absorption actinic action of Light ammonia appears Becquerel bleaching blue rays brown calotype camera obscura carbonic acid chemical action chemical rays chloride of silver chromate collodion COLLODION PROCESS colour combination copper Daguerréotype dark darkened distilled water dried Edition effect employed Engravings experiments exposed exposure ferrocyanide fluid formed gallic acid germination gold green rays guaiacum heat hyposulphite of soda impression influence intensity iodide of silver iodine iron least refrangible luminous rays mercury metallic 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 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 vegetable violet rays visible vols washed yellow ray
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.