Mapcase 2

Scope and Contents From the Collection: The John Ericsson papers consists of two letter-size folders of material and one oversize indenture. Included are letters, 1853-1879, written by Ericsson, primarily addressed to John O. Sargent, with whom Ericsson appears to have shared a close friendship. Ericsson kept Sargent updated on his inventions and professional activity, including his application for a patent in 1853, his renewed interest in solar physics and a desire to continue working after the Civil War, and his work on a...