[D8220ZBE], Letter from B Hempstead to Thomas Alva Edison, December 26th, 1882

Item

Abstract

"What is the least battery force for one of your incandescent lamps, it to be lighted at the distance of a mile form the electric source." This is for flashing the light for signal purposes.

Author

Date

1882-12-26

Decade

1880-1889

Type

Identifier

D8220ZBE

Folder Set

D8220

Title

[D8220ZBE], Letter from B Hempstead to Thomas Alva Edison, December 26th, 1882

Microfilm ID

60:833

Publisher

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