Henry D. Thoreau’s t-square, protractor, and compass, 19th century. Concord Museum; gift of Cummings E. Davis or George Tolman, before 1909; Th12, Th12c, Th13.
Plan your visit. 225 Madison Avenue at 36th Street, New York, NY 10016.
Plan your visit. 225 Madison Avenue at 36th Street, New York, NY 10016.
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Thoreau 9