[CJ606-F]

https://edisondigital.rutgers.edu/folder/CJ606-F

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Part Of: Company Records Series -- Edison Portland Cement Company -- Corporate Files

[CJ606-F] General (1902)

This folder contains correspondence and other documents relating primarily to company finances and the completion of the Stewartsville works. The correspondents include Edison, Walter S. Mallory, Theron I. Crane, and William S. Pilling. The documents written by Edison or bearing his marginalia pertain to experiments on furnaces conducted by Cloyd M. Chapman; drawings sent to William Simpkin; and work with rotary roasters and briquetting. Several items concern financial notes discounted by Edison and a loan by director Robert H. Thompson. There is also material relating to Model Building No. 11 at the West Orange laboratory, which probably housed Edison's experimental roaster. Other documents deal with competitors and publicity. Some items pertain to visitors at West Orange and Stewartsville; Francis R. Upton's bout with typhoid fever; and a gift to Mina Miller Edison from Joseph Wetzler of the Electrical World and Engineer. Additional documents concern clinker, soapstone, iron ore, and bags for shipping cement.

Less than 5 percent of the documents have been selected. The unselected material includes construction specifications for five-foot crushing rolls; payroll and other expenditure reports; typed reports prepared by the inspector at Stewartsville and initialed by Edison; and daily reports on the condition of motors in the roaster and coal plant, rock crusher, and chalk plant.

Courtesy of Thomas Edison National Historical Park.

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