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Individual
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Individual
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Priority to ES0003627UpriorityCriticalpatent/ES3627Y/en
Publication of ES3627UpublicationCriticalpatent/ES3627U/en
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Publication of ES3627YpublicationCriticalpatent/ES3627Y/en
Photographic Processing Devices Using Wet Methods
(AREA)
Abstract
Auxiliary utensil in the photograph, comprising a frame or frame of suitable material, in which a slide can be slid over which a sheet of sensitive photographic paper is fixed, this slide being arranged so that different portions of the sheet of photographic paper they can be presented successively under a window carrying the frame to impress each time a portion of said sheet, preferably with the same image of the cliche, making these impressions with different exposure times, in order to obtain after the development several images of different intensities or graduations and easily determine the correct exposure time for the clichº you are trying to expand. (Machine-translation by Google Translate, not legally binding)
ES0003627U1935-04-031935-04-03
Auxiliary tool in obtaining photographic enlargements
ExpiredES3627Y
(en)