[D8123ZCS], Letter from Edward Leamington Nichols to Thomas Alva Edison, June 30th, 1881

Item

Abstract

Using calorimeter to test the "economy" of new A lamps for Paris order; gets result of 3278 ft-lbs per min at 16 candles. This is for 10 per hp lamps. [Note: this is about right; 1 hp = 3.3 x10(4) ft-lbs/min; so 10 lamps would give 3.278 x 10(4) or close to 1 hp.]

Date

1881-06-30

Decade

1880-1889

Type

Identifier

D8123ZCS

Folder Set

D8123

Title

[D8123ZCS], Letter from Edward Leamington Nichols to Thomas Alva Edison, June 30th, 1881

Microfilm ID

57:919

Publisher

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

Timestamp

June 30, 1881