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Device for Enlarging Negatives.
Patent for a new or improved device to enlarge negatives; that is simple, portable, and ready to use, including illustrations.
Date:
February 18, 1902
Creator:
Hutchings, George B.
System:
The Portal to Texas History
Paper-Holder for Enlarging-Cameras.
Patent for an improvement in holders attached to enlarging-cameras to hold the paper being exposed: "The object of the invention is to provide a simple and convenient form of paper-holder in which the paper may be readily inserted and removed and from which the light will be effectually excluded" (lines 15-19).
Date:
February 18, 1902
Creator:
Hutchings, George B.
System:
The Portal to Texas History