File:The American annual of photography (1922) (14758621196).jpg

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English:

Identifier: americanannualof36newy (find matches)
Title: The American annual of photography
Year: 1922 (1920s)
Authors:
Subjects: Photography
Publisher: New York : Tennant and Ward
Contributing Library: Harold B. Lee Library
Digitizing Sponsor: Brigham Young University

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About This Book: Catalog Entry
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Text Appearing Before Image:
. Frilling—Developer too warm, or too alkali. 7. Unevenly developed plate—Not flooded evenly at beginning. 8. Blisters—Uneven temperature of the various solutions used. Acid hypo too strongly acid. 9. Pinholes and spots—Plates not dusted before loading. 10. Round white spots—air bells—Caused by carelessly inserting plate into developer. 11. Negative yellow or otherwise discolored—Impure sodas, or old developer. 12. Dense negatives—Overtimed. The following are the remedies suggested for the aboveerrors: 1. Have the developer as near normal temperature as possible, that is to say 65 degrees F. 2. Increase your exposure. 3. Diminish the exposure. 4. Rock tray or employ a mechanical rocking device. 5. At no time touch the emulsion surface of the plate with hands. 6. Keep solution at the proper temperature, reduce sodium carbonate. 7. Make sure of covering the plate evenly with the developer. 8. Have solutions and wash water as nearly the same degree of heat as possible. 88
Text Appearing After Image:
JUST IN FROM THE GARDEN. Jessie Tarbox Seals. 9- Dust plates carefully before loading into envelopesand also before development. 10. Insert the plate into the developer so as to cover it completely vi^ith one sweep. Keep tray in motion. 11. Do not use a cheap grade of chemicals, and do not try to economize by using the developer too long. 12. Do not carry development too far. The after treatment of the negatives in radiography doesnot differ in any v^ay from the after treatment of negativesin ordinary photography. Intensification, reduction, enlargingas well as reducing involve the same processes, and furtherdetails pertaining to it may readily be obtained from any bookon photography. Probably the most difficult phase of radio-photography isthe determination of the proper exposure. In ordinaryphotography we have only to consider the intensity of thelight and this can readily be obtained. Knowing the speedof the lens as well as of the plate or film employed we inmost cases are enabled

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https://www.flickr.com/photos/internetarchivebookimages/14758621196/

Author Internet Archive Book Images
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(Reusing this file)		 At the time of upload, the image license was automatically confirmed using the Flickr API. For more information see Flickr API detail.
Volume
InfoField
36
Flickr tags
InfoField
  • bookid:americanannualof36newy
  • bookyear:1922
  • bookdecade:1920
  • bookcentury:1900
  • booksubject:Photography
  • bookpublisher:New_York___Tennant_and_Ward
  • bookcontributor:Harold_B__Lee_Library
  • booksponsor:Brigham_Young_University
  • bookleafnumber:128
  • bookcollection:americana
Flickr posted date
InfoField
30 July 2014

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