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Fitxer:Dorothy Nickerson, Color Technologist, June 20 1938 LCCN2016873729 (cropped).jpg

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English: Title: Color expert for Uncle Sam. Washington, D.C., June 20. When it was discovered that color plays an important [role] in marketing of cotton, Miss Dorothy Nickerson, Color Technologist of the U.S. Department of Agriculture, developed a method for measuring the color of raw cotton mechanically. The equipment comprises a comparator, a motor on which to spin standard color discs, the color discs, and standard artificial daylight. When looking through the comparator, the operator sees a circular field, the upper half made up of the color of the cotton and the lower half made up of the disc colors, 6/20/38 Abstract/medium: 1 negative : glass ; 4 x 5 in. or smaller
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Library of Congress

Autor Harris & Ewing Collection
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No known restrictions on publication. For more information, see Harris & Ewing Photographs - Rights and Restrictions Information https://www.loc.gov/rr/print/res/140_harr.html

This image is available from the United States Library of Congress's Prints and Photographs division
under the digital ID hec.24758.
This tag does not indicate the copyright status of the attached work. A normal copyright tag is still required. See Commons:Licensing.

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: Color expert for Uncle Sam. Washington, D.C., June 20. When it was discovered that color plays an important (role) in marketing of cotton, Miss Dorothy Nickerson, Color Technologist of the LCCN2016873729.jpg
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    tif
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Notes
InfoField
  • Title from unverified caption data received with the Harris & Ewing Collection.
  • Copy from print
  • Gift; Harris & Ewing, Inc. 1955.
  • General information about the Harris & Ewing Collection is available at https://hdl.loc.gov/loc.pnp/pp.hec
  • Temp. note: Batch five.
Part of
InfoField
harris & ewing collection · prints and photographs division
Subject
InfoField
united states · district of columbia · washington (d.c.) · glass negatives
Location
InfoField
district of columbia
Place
InfoField
District of Columbia--Washington (D.C.)
Genre
InfoField
Glass negatives

Llicència

Public domain This work is from the Harris & Ewing collection at the Library of Congress. According to the library, there are no known copyright restrictions on the use of this work.
This work is in the public domain in the United States because it was published in the United States between 1929 and 1977, inclusive, without a copyright notice. For further explanation, see Commons:Hirtle chart as well as a detailed definition of "publication" for public art. Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (50 p.m.a.), Mainland China (50 p.m.a., not Hong Kong or Macao), Germany (70 p.m.a.), Mexico (100 p.m.a.), Switzerland (70 p.m.a.), and other countries with individual treaties.

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actual20:45, 20 abr 2019Miniatura per a la versió del 20:45, 20 abr 20194.554 × 5.298 (3,63 Mo)AnimalpartyFile:Color expert for Uncle Sam. Washington, D.C., June 20. When it was discovered that color plays an important (role) in marketing of cotton, Miss Dorothy Nickerson, Color Technologist of the LCCN2016873729.jpg cropped 55 % horizontally, 34 % vertically using CropTool with lossless mode.

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