Visual Materials
Louis Prang. Library shears
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Louis Prang. Library shears
Visual Materials
Image of a diagram of a pair of library shears for patent number "104996" invented by Louis Prang; signatures of witnesses, inventor, and patent attorneys Munn & Co. below diagram; letters patent certificate issued to lithographer Louis Prang for improvement in library shears affixed to verso.
priJLC_PRG_004360

The United States of America : to all to whom these letters patent shall come
Visual Materials
Image of an American bald eagle above the United States Patent Office in Washington, D.C., on a letters patent certificate "No. 55158" issued to lithographer Louis Prang certifying he "invented a new and useful improvement in the manufacture of caustic alkali" dated May 29, 1866; official seal and ribbon at bottom left.
priJLC_PRG_002325

Be it known that Louis Prang, lithographer
Visual Materials
Image of a certificate issued to lithographer Louis Prang on April 23, 1884, in Boston, Massachusetts, certifying his admittance as a member of the Massachusetts Charitable Mechanic Association; various symbolic emblems of the association surround the central text, including a muscled arm holding a hammer between balanced scales, Archimedes standing with drafting tools in hand, a beehive, a cornucopia, hooks an pulleys, and the prow of a ship waving a flag for "Massachusetts;" M.C.M.A. seal with motto "Be just and fear not," at bottom center.
priJLC_PRG_002317
![[Oil painting of Louis Prang]](/_next/image?url=https%3A%2F%2Frail.huntington.org%2FIIIF3%2FImage%2F22APN42O9SC7%2Ffull%2F%5E360%2C%2F0%2Fdefault.jpg&w=750&q=75)
[Oil painting of Louis Prang]
Visual Materials
Image of a bust-length portrait of lithographer Louis Prang with a full gray beard.
priJLC_PRG_002311
![[Head and shoulders portrait of Louis Prang]](/_next/image?url=https%3A%2F%2Frail.huntington.org%2FIIIF3%2FImage%2F22APN42O0KL8%2Ffull%2F%5E360%2C%2F0%2Fdefault.jpg&w=750&q=75)
[Head and shoulders portrait of Louis Prang]
Visual Materials
Image of a bust-length portrait of lithographer Louis Prang with a full gray beard wearing a coat.
priJLC_PRG_002313

United States patent office. Louis Prang, of Boston, Massachusetts. Letters patent no. 104,996, dated July 5, 1870
Visual Materials
Image of a letters patent certificate issued to lithographer Louis Prang for improvement in library shears, with specification of his invention and detailed descriptions of the various parts of the shears.
priJLC_PRG_002320