Laboratory report. "Following is test made with meter motor." Gives # of revos as number of lamps increases. Also finished arc light for man to take on Scientific Expedition. We also succeeded depositing chromium by using bichromate of potash.

Ott, John F

Edison, Thomas Alva

1883-05-11

1880-1889

Letter

Research and development

Electric light and power

D8369F

D8369

[D8369F], Letter from John F Ott to Thomas Alva Edison, May 11th, 1883

70:874

Thomas Edison National Historical Park

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