[This is a copy of an enclosure from D8929ABI] A list of percent of sawyer Mann lamps used on Edison Isolated plants reported on up to this date.

Upton, Francis Robbins

Edison, Thomas Alva

Bergmann & Co

Sawyer-Man Electric Co

1889-04-26

1880-1889

Letter

Sales and service

Incandescent lamp

Central stations

D8939ABJ1

D8939

[D8939ABJ1], Letter from Francis Robbins Upton to Thomas Alva Edison, April 26th, 1889

126:521

Thomas Edison National Historical Park

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