Photo-Lithography
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PHOTO-LITHOGRAPHY
THE AUTHOR’S PREFACE.
INTRODUCTION.
1.—The theory of printing from stone.
2.—Litho stone
3.—The zinc plates
4.—The greasy drawing materials
5.—The behaviour of asphalt on stone or zinc.
Etching and Preparing Solutions
7.—Etching the stone.
8.—Deep-etching process.
9.—Differentiation of the printing processes.
CHAPTER I.
1. GENERAL NOTES ON PHOTO-LITHOGRAPHY.
2. SUBJECTS WHICH CAN BE REPRODUCED BY PHOTO-LITHOGRAPHY.
(A.) LINE DRAWINGS.
(B.) DRAWINGS ON BLUE PRINTS.
(C.) DRAWINGS ON PREPARED PAPERS.
(D.) REPRODUCTION OF PRINTS.
(E.) SIZE OF THE REPRODUCTION.
CHAPTER II. THE PHOTOGRAPHIC PROCESS.
1. THE STUDIO.
2. THE GENERAL QUALITIES OF NEGATIVES FOR PHOTO-LITHOGRAPHY.
3. PREPARATION OF THE DIRECT GLASS NEGATIVE.
4. THE PREPARATION OF AUTOTYPE NEGATIVES OF BLACK AND COLOURED DRAWINGS.
5. PREPARATION OF REVERSED NEGATIVES.
(A.) EXPOSURE THROUGH A PRISM.
(B.) PLACING THE PLATE THE WRONG WAY ROUND IN THE SLIDE.
(C.) STRIPPING NEGATIVES.
CHAPTER III. PHOTO-LITHOGRAPHY BY THE TRANSFER OF A GREASY PRINT ON TO STONE OR ZINC.
1. THE HOME PREPARATION OF BICHROMATED GELATINE PAPERS.
(A.) THE GELATINE.
(B.) THE CHROMATE SALTS.
(C.) THE GELATINIZING.
(D.) SENSITIZING.
(E.) THE PRINTING.
(F.) THE INKING UP AND DEVELOPING.
2. VARIOUS OTHER PHOTO-LITHOGRAPHIC PAPERS.
(A.) HUSNIK’S PHOTO-LITHOGRAPHIC PAPER.
(B.) PHOTO-LITHOGRAPHIC PAPER BY ADALBERT FRANZ.
(C.) ALBERT’S PHOTO-LITHOGRAPHIC PAPER.
3. THE PHOTO-LITHOGRAPHIC TRANSFER.
(A.) TREATMENT OF THE PHOTO-LITHOGRAPHIC PRINT AND THE PLATE.
(B.) FAILURES IN THE PHOTO-LITHOGRAPHIC TRANSFERS.
CHAPTER IV. PHOTO-LITHOGRAPHY BY DIRECT PRINTING ON TO STONE OR ZINC.
1. THE ASPHALT PROCESS.
(A.) THE LIGHT-SENSITIVE ASPHALT.
(B.) COATING THE STONES.
(C.) PRINTING.
(D.) DEVELOPING AND INKING UP.
2. OTHER PROCESSES.
(A.) COATING THE PLATES.
(B.) THE PRINTING.
(C.) THE DEVELOPMENT.
(D.) FURTHER MANIPULATIONS.
CHAPTER V. THE HALF-TONE PROCESS FOR PHOTO-LITHOGRAPHY.
1. BREAKING UP THE HALF-TONE ON THE NEGATIVE (AUTOTYPY).
2. PHOTO-LITHOGRAPHIC PROCESSES IN WHICH THE GRAIN IS NOT FORMED DURING THE EXPOSURE.
(A.) THE PATENT ASPHALT PROCESS OF ORELL, FÜSSLI, AND CO. USED FOR THE PREPARATION OF COLOUR PRINTS.
(B.) THE COLOUR PRINTING PROCESS OF WEZEL AND NAUMANN OF REUDNITZ, LEIPZIG.
(C.) J. BARTÖS’ PROCESS FOR PREPARING PHOTO-LITHOGRAPHS AND PHOTOTYPES IN GRAIN AND HALF-TONE.
(D.) LITHO-HELIOGRAVURE.
APPENDIX.
1. NEGATIVE TRANSFER WITH BICHROMATED GELATINE PAPER.
2. PHOTO-AUTOGRAPHY. DRAWING WITH AUTOGRAPHIC INK OR LITHOGRAPHIC CHALK ON A CYANOTYPE, SALTED OR OTHER PRINT FROM A PHOTOGRAPHIC NEGATIVE OR POSITIVE.
3. LITHOGRAVURE.
SCRAPER BOARDS, MANUFACTURED BY AUGERER & GÖSCHL, VIENNA.
INDEX.
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