File:The American annual of photography (1914) (14800102083).jpg

Identifier: americanannualof28newy (find matches)
Title: The American annual of photography
Year: 1914 (1910s)
Authors:
Subjects: "WINTER IN DUBLIN"

(Photography)
Publisher: New York : Tennant and Ward
Contributing Library: Harold B. Lee Library
Digitizing Sponsor: Brigham Young University

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My purpose inwriting this article is to suggest a means of enlarging bromideprints which has great advantages over the ordinary methodand which gives the worker a chance to control the final result. The method of simultaneous developing and printing ofenlargements consists in placing a piece of bromide paper wetwith developer upon the easel and then allowing the enlargedlight image to act upon the wet paper causing it to print anddevelop at the same time. The easel must be prepared for use with wet paper whichis easily accomplished by painting the wood with white enamelpaint. There should also be a metal trough or pan placedalong the bottom edge to catch the drippings of developerwhich run down the face of the print. A yellow light should be placed in position to shine upon theface of the easel in order that the appearance of the imagemay be judged while developing. First, the focus of the picture should be obtained and twoglass headed tacks placed in the upper corners of the image 70
Text Appearing After Image:
Q to mark the position of the paper. The cap should then beplaced upon the lens, and the paper, previously soaked inwater to make it limp, should be placed in position on theeasel where it will adhere without being fastened. Mix up two ounces of developer to which is added a quarterof an ounce of glycerine. The following is a fine formula forthis purpose. STOCK SOLUTION. Metol 8 grs. Sodium Sulphite (dry) 150 grs. Hydroquinine 30 grs. Bromide of Potassium 15 grs. Carbonate of Soda (dry) 300 grs. Water 12 ounces. For use take i ounce developer, )4 ounce of water, ^ ounceof glycerine. The stock solution will keep six months ormore. Other developers may be used, provided they arequick acting, vigorous and non-staining. Apply the developer with a rubberset camels hair brush tothe surface of the print after it is in position on the easel.When the paper is thoroughly saturated, remove the capfrom the lens and expose the paper for a few seconds, takingcare to under-expose the print, as the g

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