Opening Hours
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
Rare Books
Image not available
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108

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