[D8123ZCQ], Letter from Francis Robbins Upton to Thomas Alva Edison, June 27th, 1881

https://edisondigital.rutgers.edu/document/D8123ZCQ

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Title

[D8123ZCQ], Letter from Francis Robbins Upton to Thomas Alva Edison, June 27th, 1881

Editor's Notes

Plumbago forms do not work as well as hoped. Possibly plumbago is causing a reduction reaction with the nickel. Will take Bergman two weeks to make 500 more forms. Compelled to wait till forms cool before putting in fibers. Went to Princeton to borrow a galvanometer from Prof. Brackett. Says that Brackett and Young have built a machine with plates on back; advises TAE to contact them about the machine and get an offer from them before the U.S. [Maxim] company learns about it. Consider for inclusion: this document seems to point in several directions. (DH)

Date

1881-06-27

Decade

1880-1889

Type

Folder/Volume ID

D8123-F

Microfilm ID

57:917

Document ID

D8123ZCQ

Publisher

Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
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