Title
Engineering Records
Series contains materials related to the engineering projects of the Essex Company, including the construction of the dam, canals, and mills, the development of Lawrence, and other projects relevant to its enterprises from 1845 and 1987. Sub-series include Survey, Data, and Calculation Books; Engineer's Diaries; Meteorological Records; Engineer's Office Publications; Plans and Drawings of the Dam; Plans and Drawings of the Canals; Plans and Drawings of the Merrimack River and Other Waterways; Plans and Drawings of the Property of Lawrence and Surrounding Areas; Plans and Drawings of the Mills and Other Sites; Miscellaneous Plans and Drawings; Plans and Drawings of Bridges, Structures, and Machines; Engineer's Office Data and Business Files; Engineer's Correspondence, and Engineer's Publications.
Collection
Essex Company Collection
Materials vary greatly in size from 5"x7" to 30"x40" oversized.