LOUIS MOYROUD - FIRST DAY COVER SIGNED - HFSID 303708
Price: $80.00
LOUIS MOYROUD
The inventor of the phototypesetting process which revolutionized the
printing industry signs a First Day Cover.
First Day Cover signed: "LM" in blue ink, 6½x3½. 29-cent U.S.
Stamp affixed, postmarked Waterloo, New York, May 30, 1991, FIRST DAY OF
ISSUE. French-born American inventor Louis Moyroud (1914-2010) was born in
Moirans, Isere, France. With fellow scientist Rene Alphonse Higonnet, he
developed the phototypesetting process which allows text and images to be
printed on paper using a photoengraving process. Patented in the U.S. in 1957,
the invention revolutionized the printing industry and made the
conventional publishing method of metal typesetting obsolete. In 1985, Moyroud
and Higonnet were inducted into the National Inventors Hall of Fame. Fine
condition.
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