Photography: Its History, Processes, Apparatus, and Materials: Comprising Working Details of All the More Important MethodsIncluded are "24 plates in a variety of photomechanical processes, with illustrations mostly from art; included are woodburytype, woodbury-gravure, Pretsch process, Gilbo gravure, Klic gravure, three-color collotype, photolithography, half-tone ... photo-galvanic engraving, etc."--Hanson Collection catalog, p. 114 |
From inside the book
Results 1-5 of 45
Page x
... toning • Dry - plate making Printing on ivory Dry processes Reproduced negatives . Dusting - on process Reversal of the image . · Fixing Eburneum process Electro - phototypy Enamelling paper prints Enlarging and copying Ferrotype ...
... toning • Dry - plate making Printing on ivory Dry processes Reproduced negatives . Dusting - on process Reversal of the image . · Fixing Eburneum process Electro - phototypy Enamelling paper prints Enlarging and copying Ferrotype ...
Page 32
... toning prints . Gold or platinum would act as follows : 6Ag + 2AuCl3 = 2Au + 6AgCl , 4Ag + PtCl1 = Pt + 4AgCl . On the other hand , it is sometimes advantageous to be able to lessen the density of a negative ; this may be done by ...
... toning prints . Gold or platinum would act as follows : 6Ag + 2AuCl3 = 2Au + 6AgCl , 4Ag + PtCl1 = Pt + 4AgCl . On the other hand , it is sometimes advantageous to be able to lessen the density of a negative ; this may be done by ...
Page 33
... toning , the object of which is to give the print a more pleasing tint . This is usually effected by depositing finely divided gold upon it by immersion in a bath of gold trichloride . Gold being a more electro - negative element than ...
... toning , the object of which is to give the print a more pleasing tint . This is usually effected by depositing finely divided gold upon it by immersion in a bath of gold trichloride . Gold being a more electro - negative element than ...
Page 34
... toning , for it is impossible to obtain a print with good contrasts of light and dark from a nega- tive of inferior quality . In fixing the toned print by means of sodium thiosulphate , the action of course is the same as in fixing a ...
... toning , for it is impossible to obtain a print with good contrasts of light and dark from a nega- tive of inferior quality . In fixing the toned print by means of sodium thiosulphate , the action of course is the same as in fixing a ...
Page 71
... toning and fixing bath which has previously been used . In ten minutes the prints become red , in fifteen minutes brown , and in twenty minutes brownish violet . The prints may be PROCESSES . 71 Aniline process Aristotype Black lines.
... toning and fixing bath which has previously been used . In ten minutes the prints become red , in fifteen minutes brown , and in twenty minutes brownish violet . The prints may be PROCESSES . 71 Aniline process Aristotype Black lines.
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Photography, Its History, Processes, Apparatus, and Materials, Comprising ... A. Brothers No preview available - 2016 |
Common terms and phrases
actinometer albumen albumenised paper alcohol ammonia Ammonium aperture appear bath bitumen camera carbon cause chemical chloride coated collodion process collotype colour daguerreotype developing solution diaphragm dish dissolved distilled drachms dried dry plates effect eikonogen emulsion ether experiments exposed exposure ferric oxalate ferrous film filtered fixing fluid focal length focus focussing formulæ gallic acid gelatine plates gold Gold chloride grains ground glass half-tone haloid inches iodide iron kind landscape lantern lens lenses meniscus metal method minutes mixed necessary negative nitric acid object obtained ordinary ounces ounces of water patented photographic picture placed platinotype platinum portrait position potassium bichromate Potassium bromide Potassium ferricyanide prepared prints produced purpose pyrogallic acid pyrogallol quantity rays reduced removed salt seen sensitised sensitive sheet shutter silver bromide silver nitrate sodium thiosulphate soluble stereoscopic substance sufficient sulphuric surface taken toning transparent varnish washed wet collodion yellow zinc