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[Letter from the Jacksonian Optical College to Edith Wilson Sutherlin, February 11, 1913]

Description: Letter from the Jacksonian Optical College to Edith Wilson Sutherlin, on February 11, 1913, informing her that they believe her to have a clear understanding of optics, and reminding her of a diploma fee that must be paid before they can forward her diploma to her.
Date: February 11, 1913
Creator: Jacksonian Optical College
Item Type: Refine your search to only Letter
Partner: Private Collection of the Sutherlin Family

Photographic Copying Apparatus

Description: Patent for a simple and effective photographic-copying apparatus capable of making copies of small objects of different sizes. The machine is for general commercial use "that may be successfully operated by persons not particularly skilled in the photographic art" (lines 23-25) including illustrations.
Date: February 2, 1915
Creator: Gregory, Oscar T. & Carkhuff, Norman W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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