A Manual of Photographic Chemistry, Including the Practice of the Collodion Process

A Manual of Photographic Chemistry, Including the Practice of the Collodion Process

A Manual of Photographic Chemistry, Including the Practice of the Collodion ProcessIn attempting to impart knowledge on...
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SKU: gb-63710-ebook
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Author: Hardwich, T. Frederick,1829-1890
Format: eBook
Language: English
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A Manual of Photographic Chemistry, Including the Practice of the Collodion Process

A Manual of Photographic Chemistry, Including the Practice of the Collodion Process

CHF 11.64 CHF 5.82

A Manual of Photographic Chemistry, Including the Practice of the Collodion Process

CHF 11.64 CHF 5.82
Author: Hardwich, T. Frederick,1829-1890
Format: eBook
Language: English

A Manual of Photographic Chemistry, Including the Practice of the Collodion Process

In attempting to impart knowledge on any subject, it is not sufficient that the writer should himself be acquainted with that which he professes to teach. Even supposing such to be the case, yet much of the success of his effort must depend upon the manner in which the information is conveyed; for as, on the one hand, a system of extreme brevity always fails of its object, so, on the other, a mere compilation of facts imperfectly explained tends only to confuse the reader. A middle course between these extremes is perhaps the best to adopt; that is, to make selection of certain fundamental points, and to explain them with some minuteness, leaving others of less importance to be dealt with in a more summary manner, or to be altogether omitted. But independently of observations of this kind, which apply to educational instruction in general, it may be remarked, that there are sometimes difficulties of a more formidable description to be overcome. For instance, in treating of any science, such as that of Photography, which may be said to be comparatively new and [2] unexplored, there is great danger of erroneously attributing effects to their wrong causes! Perhaps none but he who has himself worked in the laboratory can estimate this point in its proper light. In an experiment where the quantities of material acted upon are infinitesimally small, and the chemical changes involved of a most refined and subtle description, it is soon discovered that the slightest variation in the usual conditions will suffice to alter the result. ......Buy Now (To Read More)

Product details

Ebook Number: 63710
Author: Hardwich, T. Frederick
Release Date: Nov 12, 2020
Format: eBook
Language: English

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