Day, Benjamin, 1838–1916, American printer; son of Benjamin Henry Day. While working in New York City, Day invented a process, utilizing celluloid sheets, for shading plates in the color printing of maps and illustrations. It is known as the Ben Day, or Benday, process. The term
Ben Dayis used as a noun, verb, and adjective.
The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.
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