[D8032U], Letter from W H Patton to Thomas Alva Edison, July 27th, 1880

Item

You can re-use this digital object via this IIIF manifest

Title

[D8032U], Letter from W H Patton to Thomas Alva Edison, July 27th, 1880

Editor's Notes

Yours of 21 rcd re: applying elec power in shafts below 3000 ft. Would be in following conditions: 1) 100-130 degF, moist air--affect insulation? Marg: "no we should take precautions;" 2)pumps only 6-12 strokes per min; how reduce from engine's 600rpm? 3) divide current between pumping stations 2000' apart?; 4) variable loads; 5) underground engines sometimes submerged.

Author

Date

1880-07-27

Decade

1880-1889

Type

Identifier

D8032U

Folder Set

D8032-F

Microfilm ID

54:405

Publisher

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

Item sets