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Excerpt from A Manual of Photographic Chemistry: Theoretical and Practical A middle course between these extremes is perhaps the best to adopt; that is, to make selection of certain funda mental 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. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Book Synopsis A Manual of Photographic Chemistry by : Thomas Frederick Hardwich
Download or read book A Manual of Photographic Chemistry written by Thomas Frederick Hardwich and published by Forgotten Books. This book was released on 2018-03-06 with total page 614 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from A Manual of Photographic Chemistry: Theoretical and Practical A middle course between these extremes is perhaps the best to adopt; that is, to make selection of certain funda mental 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. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
This is a reproduction of the original artefact. Generally these books are created from careful scans of the original. This allows us to preserve the book accurately and present it in the way the author intended. Since the original versions are generally quite old, there may occasionally be certain imperfections within these reproductions. We're happy to make these classics available again for future generations to enjoy!
Book Synopsis A Manual of Photographic Chemistry by : Thomas Frederick Hardwich
Download or read book A Manual of Photographic Chemistry written by Thomas Frederick Hardwich and published by . This book was released on 2019-08-09 with total page 628 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is a reproduction of the original artefact. Generally these books are created from careful scans of the original. This allows us to preserve the book accurately and present it in the way the author intended. Since the original versions are generally quite old, there may occasionally be certain imperfections within these reproductions. We're happy to make these classics available again for future generations to enjoy!
Excerpt from A Manual of Photographic Chemistry: Including the Practice of the Collodion Process Therefore it is best perhaps, if possible, to steer an inter mediate course between these two' extremes; that is to say, to select those points which are of fundamental and primary importance, and to enter into them with considerable minute ness, leaving others of less consequence to be dealt with after a more summary manner, or to be altogether omitted. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Book Synopsis A Manual of Photographic Chemistry by : Thomas Frederick Hardwich
Download or read book A Manual of Photographic Chemistry written by Thomas Frederick Hardwich and published by Forgotten Books. This book was released on 2018-01-09 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from A Manual of Photographic Chemistry: Including the Practice of the Collodion Process Therefore it is best perhaps, if possible, to steer an inter mediate course between these two' extremes; that is to say, to select those points which are of fundamental and primary importance, and to enter into them with considerable minute ness, leaving others of less consequence to be dealt with after a more summary manner, or to be altogether omitted. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Excerpt from A Manual of Practical Physical Chemistry In organising the practical work in connection with a class of Physical Chemistry (1) a teacher may himself carry out the measurements while the whole class look on, or (2) he may divide the class into sets of two or more and assign one experiment to each set, or (3) he may adopt the "one student one experiment" plan. Of these three methods, the third is undoubtedly the best, because a student is made responsible for an experiment in a way that can never be when another is associated with him in the work. In the second method the tendency is for one student of a set to lead while the others make no attempt at initiative and lose the best part of the training obtainable in a laboratory. Close supervision is, of course, essential when valuable instruments are being handled, and frequently the teaching staff is too small for the demonstrating to be efficient according to the third plan, so that the second is adopted, which, however, is much to be preferred to the first. The time available for Practical Physical Chemistry is usually very meagre, and has an important bearing on the organisation of Laboratory Work. The best system would be one in which the question of time had never to be considered. As things are, however, a student, as a rule, can afford out of his day's work only one period of two to three hours for Practical Physical Chemistry. It is important, therefore, that the exercises should be such that they can be finished in one period not extending beyond the limits mentioned. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Book Synopsis A Manual of Practical Physical Chemistry (Classic Reprint) by : Francis William Gray
Download or read book A Manual of Practical Physical Chemistry (Classic Reprint) written by Francis William Gray and published by . This book was released on 2015-07-01 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from A Manual of Practical Physical Chemistry In organising the practical work in connection with a class of Physical Chemistry (1) a teacher may himself carry out the measurements while the whole class look on, or (2) he may divide the class into sets of two or more and assign one experiment to each set, or (3) he may adopt the "one student one experiment" plan. Of these three methods, the third is undoubtedly the best, because a student is made responsible for an experiment in a way that can never be when another is associated with him in the work. In the second method the tendency is for one student of a set to lead while the others make no attempt at initiative and lose the best part of the training obtainable in a laboratory. Close supervision is, of course, essential when valuable instruments are being handled, and frequently the teaching staff is too small for the demonstrating to be efficient according to the third plan, so that the second is adopted, which, however, is much to be preferred to the first. The time available for Practical Physical Chemistry is usually very meagre, and has an important bearing on the organisation of Laboratory Work. The best system would be one in which the question of time had never to be considered. As things are, however, a student, as a rule, can afford out of his day's work only one period of two to three hours for Practical Physical Chemistry. It is important, therefore, that the exercises should be such that they can be finished in one period not extending beyond the limits mentioned. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
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 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.
Book Synopsis A Manual of Photographic Chemistry, Including the Practice of the Collodion Process by : T. Frederick Hardwich
Download or read book A Manual of Photographic Chemistry, Including the Practice of the Collodion Process written by T. Frederick Hardwich and published by . This book was released on 2021-03-27 with total page 222 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 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.
Book Synopsis Publishers' circular and booksellers' record by :
Download or read book Publishers' circular and booksellers' record written by and published by . This book was released on 1883 with total page 828 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Chemistry and Industry Review written by and published by . This book was released on 1928 with total page 1516 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Journal of the Society of Chemical Industry by : Society of Chemical Industry (Great Britain)
Download or read book Journal of the Society of Chemical Industry written by Society of Chemical Industry (Great Britain) and published by . This book was released on 1928 with total page 1918 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Excerpt from Chemistry While we do not undervalue the usefulness of a correct language to express the facts and theories of a Science, we have the strongest objection to frequent and capricious changes, in which the good is uncertain and prospective, while the evil is certain and immediate. Chemistry is not the Science of one nation, of one profession, or of one section of chemists. Among civilized nations it has now a com munity of language, and by this language, it is more closely linked to Arts, Manufactures, and Medicine, than any other branch of knowledge; hence, changes, to be useful, should be such as are re quired by urgent necessity, and are likely to command general acceptance by their reasonableness and expediency. After all, it must be remembered that these changes are not in the facts, but in a supposed improvement in the mode of expressing them; and if only partially adopted, they necessarily lead to confusion. Reasoning from the past to the present, it is not too much to infer that a student of Chemistry must be prepared for a new crop of systematic names, and a new classification of elements and compounds, every ten years. Our intention in the preparation of this volume has been, not to furnish a Treatise on the Science, but to provide the student, and general reader, with a plain introduction to the subject. With ample materials at our disposal to produce two volumes in place of one, we have studiously endeavored to compress within these pages, a selection of the more important facts and doctrines of Modern Chemistry. We have adopted for the explanation of these facts, that simple chemical language which has found acceptance in the Schools and Colleges of Great Britain, France, and Germany, as well as in the best treatises on the Science. In addition to the general properties of bodies, we have attached to the description of each substance, a summary of its most important characters, with an account of the special tests required for its detec tion. The student will thus have in this book a Manual of practical chemistry. As an adjunct to this branch of the Science, the subject of practical toxicology has been introduced in reference to the most important poisons, and the processes for their detection. We have also treated, as fully as our space would permit. The chemical principles on which photography is based, and have given some practical rules for the guidance of those who wish to apply their chemical knowledge to this interesting art. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Book Synopsis Chemistry (Classic Reprint) by : William Thomas Brande
Download or read book Chemistry (Classic Reprint) written by William Thomas Brande and published by Forgotten Books. This book was released on 2018-09-23 with total page 720 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Chemistry While we do not undervalue the usefulness of a correct language to express the facts and theories of a Science, we have the strongest objection to frequent and capricious changes, in which the good is uncertain and prospective, while the evil is certain and immediate. Chemistry is not the Science of one nation, of one profession, or of one section of chemists. Among civilized nations it has now a com munity of language, and by this language, it is more closely linked to Arts, Manufactures, and Medicine, than any other branch of knowledge; hence, changes, to be useful, should be such as are re quired by urgent necessity, and are likely to command general acceptance by their reasonableness and expediency. After all, it must be remembered that these changes are not in the facts, but in a supposed improvement in the mode of expressing them; and if only partially adopted, they necessarily lead to confusion. Reasoning from the past to the present, it is not too much to infer that a student of Chemistry must be prepared for a new crop of systematic names, and a new classification of elements and compounds, every ten years. Our intention in the preparation of this volume has been, not to furnish a Treatise on the Science, but to provide the student, and general reader, with a plain introduction to the subject. With ample materials at our disposal to produce two volumes in place of one, we have studiously endeavored to compress within these pages, a selection of the more important facts and doctrines of Modern Chemistry. We have adopted for the explanation of these facts, that simple chemical language which has found acceptance in the Schools and Colleges of Great Britain, France, and Germany, as well as in the best treatises on the Science. In addition to the general properties of bodies, we have attached to the description of each substance, a summary of its most important characters, with an account of the special tests required for its detec tion. The student will thus have in this book a Manual of practical chemistry. As an adjunct to this branch of the Science, the subject of practical toxicology has been introduced in reference to the most important poisons, and the processes for their detection. We have also treated, as fully as our space would permit. The chemical principles on which photography is based, and have given some practical rules for the guidance of those who wish to apply their chemical knowledge to this interesting art. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Download or read book The Medical Times and Gazette written by and published by . This book was released on 1855 with total page 862 pages. Available in PDF, EPUB and Kindle. Book excerpt:
