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قراءة كتاب The Art and Practice of Silver Printing

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The Art and Practice of Silver Printing

The Art and Practice of Silver Printing

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دار النشر: Project Gutenberg
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The Art and Practice of
Silver Printing





A Specimen of Woodburytype Printing.

THE
ART AND PRACTICE
OF
SILVER PRINTING.

BY

H. P. ROBINSON & CAPT. ABNEY, R.E., F.R.S.

THE AMERICAN EDITION,


NEW YORK:
E. & H. T. ANTHONY & CO., NO. 591 BROADWAY.


1881.


PREFACE.


Silver printing has been often doomed, but it still survives. Other processes of photographic printing have been introduced, nearly all of them having their individual merits, especially that of permanency, but all lacking in two essential qualities—ease of production and beauty of result. In these particulars no process has ever approached the one to the working of which this little book is devoted. The one defect of silver printing is the possibility of its results fading; but surely it is better to be beautiful, if fading, than permanent and ugly. It is better to be charmed with a beautiful thing for a few years, than be bored by an ugly one for ever. But is silver printing necessarily a fading process? We have in our possession a large number of silver photographs produced from twenty to twenty-five years ago, which are as perfect in tone and colour as when they were produced. Carefully prepared, and properly kept, a silver print should be as permanent as any other. That silver prints should be permanent as well as beautiful, has been the object of

THE AUTHORS.


TABLE OF CONTENTS.


CHAPTER PAGE
I.— Preliminary Experiments 1
II.— Preparation of Albumenized Paper 6
III.— The Sensitizing Bath 13
IV.— How to Keep the Sensitizing Bath in Order 20
V.— Silvering the Paper 26
VI.— Washed Sensitive Paper 31
VII.— Cutting Paper 36
VIII.— Printing-Frames 42
IX.— Preparing the Landscape Negative 45
X.— Printing the Landscape 49
XI.— Preparing the Portrait Negative 57
XII.— Vignetting 60
XIII.— Printing the Portrait 69
XIV.— Combination Printing 74
XV.— Toning 85
XVI.— Fixing the Print 92
XVII.— Washing the Print 95
XVIII.— Printing on Plain Paper 99
XIX.— Printing on Resinized Paper 100
XX.— Printing on Gelatino-Chloride Emulsion Paper 103
XXI.— Drying the Prints 105
XXII.— Mounting Photographs 110
XXIII.— Defects in Prints

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