[D8630ZBJ], Letter from Francis Robbins Upton to Thomas Alva Edison, June 7th, 1886

https://edisondigital.rutgers.edu/document/D8630ZBJ

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Title

[D8630ZBJ], Letter from Francis Robbins Upton to Thomas Alva Edison, June 7th, 1886

Editor's Notes

[One-page letter from Berlin] Upton concerned that Siemens hurting Edison Co. in Germany. Spending money "liberally" to try to "beat" Siemens. Does not know how Siemens "treat[s]" German carbons; does not use furnace. According to Upton, Siemens makes lamps from "natural fibre," sells "16 c.p. lamps to take .55 amperes 100 volts to last 800 hours." [lamps]

Date

1886-06-07

Decade

1880-1889

Type

Folder/Volume ID

D8630-F

Microfilm ID

79:803

Document ID

D8630ZBJ

Publisher

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