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COLLECTION Identifier: Mss:514 1846-1902 P852

Portland Company records

Ledgers, cash books, and production records of a manufacturer of boilers and machine tools located in Portland, Maine. During the period covered by these records the firm made a number of locomotives. The ledgers and cashbooks cover the whole period, while the production records start in 1883. Fred Morse (brother of naturalist Edward Sylvester Morse) worked at the Portland Company throughout his life and became company head around the 1870s.


  • 1846-1902


Conditions Governing Access

Collection is open for research. Materials stored offsite; access requires advance notice. Contact for more information.


3 linear feet (29 volumes)

Biographical / Historical

The Portland Company was a Portland, Maine boilermaker, locomotive manufacturer, machinist, and foundry, incoporated in 1846 by John A. Poor and Septimus Norris. The firm also produced railcars, merchants vessels, construction industry equipment.

Immediate Source of Acquisition

Gift of Portland Company (George Bradley), May 9, 1952.


Portland Company. Portland Company Records, 1846-1902: A Finding Aid
Baker Library
March 2018
Description rules

Repository Details

Part of the Baker Library Special Collections, Harvard Business School, Harvard University Repository

Baker Library Special Collections holds unique resources that focus on the evolution of business and industry, as well as the records of the Harvard Business School, documenting the institution's development over the last century. These rich and varied collections support research in a diverse range of fields such as business, economic, social and cultural history as well as the history of science and technology.

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