The American annual of photography (1914) (14780210545)

Identifier: americanannualof28newy (find matches)

Title: The American annual of photography

Year: 1914 (1910s)

Authors:

Subjects: Photography

Publisher: New York : Tennant and Ward

Contributing Library: Harold B. Lee Library

Digitizing Sponsor: Brigham Young University

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ter rinsing) anddeveloped in daylight. The developer should be Metol-hydro-quinone and sodium or potassium hydrate and containing con-siderable bromide. Another curiosity that I have found is thefollowing method of developing plates in daylight, with de-velopment and fixing simultaneous. Make a powder as follows— Magnesium picrate 8i gms Sodium Sulphite (Dry) 544 gms Hypo C. P 250 gms Dianol 125 gms 4 grams of this mixture in 100 cc. of water is used and whenthe plate is once placed in this, it may be brought out into thelight and development and fixing are completed at the sametime. Of course this method is only applicable to the oldfashioned or stone blind plate—the non-ortho plate, the platethat resembles the old mans horse of which he said—Hellgo as far and as fast as any of them if you only give him timeenough and dont try to drive him where he cant go. In connection with color plates I would like to mention an-other point that is not generally known. Stereographic views 52

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d o can be taken directly on the color plate and looked at withoutcutting the plate or using two small plates in the holder. Getone of the little contrivances, sold in England under the name(please take a breath) of the Stereophoto-duplicon.Burke & James make the same thing and call it a Stereo-graphic Attachment, which is much easier on ones vocalorgans. It is an arrangement of mirrors similar to ClaudetsTeleostereoscope, that can be slipped on the front of the lensmount and with one exposure, one plate, without cutting theplate or the print will give you excellent stereographs. Theseparation of the images, and the width of the dark area be-tween the prints can be adjusted while watching the groundglass, so that all one has to do is to take the stereo negativewith this attachment, m^ake a print from it and mount it on acard and the results are equal to any stereograph, except thatas a matter of course the visual angle of your lens-image is cutin halves, so that a lens giving an a

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1914

The American annual of photography

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