The American Amateur Photographer Volume 9 epub
The American Amateur Photographer Volume 9 epub
The American Amateur Photographer Volume 9 by Books Group
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Author: Books Group
Number of Pages: 224 pages
Published Date: 01 May 2012
Publisher: Rarebooksclub.com
Publication Country: Miami Fl, United States
Language: English
ISBN: 9781236103895
File Name: The.American.Amateur.Photographer.Volume.9.pdf
Download Link: The American Amateur Photographer Volume 9
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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1897 Excerpt: ...more easily than the previous bath, owing to the separation of free organic matter and albumen from the paper. But for prints on plain paper it is peculiarly adapted, and will give results not equaled by any other method, the prints having a rich, velvety appearance. Paper sensitized on this bath does not require to be fumed. Third class comprises baths which in addition to the silver nitrate contain also an alkaline nitrate, such as ammonium, sodium or potassium salts. These salts act as absorbents of free chlorine, and also serve to prevent the paper from becoming excessively dry in hot weather. The following formulae may serve as a type: Silver nitrate 60 grains, ammonium or sodium nitrate 60 grains, water 1 ounce. Rendered slightly alkaline in the carbonate of soda or ammonia. A few grains of alum are sometimes added to prevent blisters. This bath gives excellent results with albumen paper, and for this purpose is probably to be preferred to either of the preceding formulae. Albumen paper should always be floated. Plain paper may be either floated or laid on a clean piece of glass and then sensitized, the solution being applied to the salted side by means of a clean swab of cotton flannel or camel's-hair brush. Paper sensitized by the first and third class baths should always be fumed. For those of the second class it is not necessary. In printing the first and third class require to be printed more deeply than the second, as they seem to lose a great deal of intensity in subsequent washing. Care Of The Bath.--As it looses silver by every sheet sensitized, it must be strengthened by the addition of fresh silver nitrate. It must be purified from time to time. Several methods have been proposed; the addition of a small quantity of kaolin, the bath well sh...
Read online The American Amateur Photographer Volume 9 Buy The American Amateur Photographer Volume 9 Download and read The American Amateur Photographer Volume 9 for pc, mac, kindle, readers Download to iPad/iPhone/iOS, B&N nook The American Amateur Photographer Volume 9
The American Amateur Photographer Volume 9 by Books Group
Author: Books Group
Number of Pages: 224 pages
Published Date: 01 May 2012
Publisher: Rarebooksclub.com
Publication Country: Miami Fl, United States
Language: English
ISBN: 9781236103895
File Name: The.American.Amateur.Photographer.Volume.9.pdf
Download Link: The American Amateur Photographer Volume 9
---------------------------------------------------------------
This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1897 Excerpt: ...more easily than the previous bath, owing to the separation of free organic matter and albumen from the paper. But for prints on plain paper it is peculiarly adapted, and will give results not equaled by any other method, the prints having a rich, velvety appearance. Paper sensitized on this bath does not require to be fumed. Third class comprises baths which in addition to the silver nitrate contain also an alkaline nitrate, such as ammonium, sodium or potassium salts. These salts act as absorbents of free chlorine, and also serve to prevent the paper from becoming excessively dry in hot weather. The following formulae may serve as a type: Silver nitrate 60 grains, ammonium or sodium nitrate 60 grains, water 1 ounce. Rendered slightly alkaline in the carbonate of soda or ammonia. A few grains of alum are sometimes added to prevent blisters. This bath gives excellent results with albumen paper, and for this purpose is probably to be preferred to either of the preceding formulae. Albumen paper should always be floated. Plain paper may be either floated or laid on a clean piece of glass and then sensitized, the solution being applied to the salted side by means of a clean swab of cotton flannel or camel's-hair brush. Paper sensitized by the first and third class baths should always be fumed. For those of the second class it is not necessary. In printing the first and third class require to be printed more deeply than the second, as they seem to lose a great deal of intensity in subsequent washing. Care Of The Bath.--As it looses silver by every sheet sensitized, it must be strengthened by the addition of fresh silver nitrate. It must be purified from time to time. Several methods have been proposed; the addition of a small quantity of kaolin, the bath well sh...
Read online The American Amateur Photographer Volume 9 Buy The American Amateur Photographer Volume 9 Download and read The American Amateur Photographer Volume 9 for pc, mac, kindle, readers Download to iPad/iPhone/iOS, B&N nook The American Amateur Photographer Volume 9