Opening Hours
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108

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 seal from patent attorneys Munn & Co. below diagram.
priJLC_PRG_002319

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
![[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)
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)
Visual Materials
Image of a bust-length portrait of lithographer Louis Prang with a full gray beard wearing a coat.
priJLC_PRG_002313
![[Louis Prang seated in high-backed chair]](/_next/image?url=https%3A%2F%2Frail.huntington.org%2FIIIF3%2FImage%2F22APN42OFPAQ%2Ffull%2F%5E360%2C%2F0%2Fdefault.jpg&w=750&q=75)
Visual Materials
Image of a half-length portrait of lithographer Louis Prang sitting in a high-backed chair with a newspaper in one hand.
priJLC_PRG_002312

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