06/17/1881 Eaton, Sherburne Blake to Batchelor, Charles
(Babcock and Wilcox) Labor; Metals and minerals; Engines, boilers, prime movers
[MBSB7]  Special Collections Series -- Charles Batchelor Collection -- Scrapbooks: Cat. 1244 (1881-1882)
[MBSB7A; TAEM 95:267]
Courtesy of Thomas Edison National Historical Park.