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[D8403Z], Letter from J S C Wells to Thomas Alva Edison, February 25th, 1884

Title: [D8403Z], Letter from J S C Wells to Thomas Alva Edison, February 25th, 1884
Editor's Notes: [letterhead Columbia Coll School of Mines] What's cost of dynamo to deposit one ton of copper in 24 hrs? TAE marg: "If you mean depositing from one plate of copper on another plate or metallic object then the size of the dynamo would depend upon the surface exposed. With any given current the amount of copper deposited will be at the square of the surface. Our 60 light machine can be altered to give 8 volts and 750 amperes price $1,300. From this data you can calculate what you can do."
Author: Wells, J S C
Recipient: Edison, Thomas Alva
Date: 1884-02-25
Type: Letter
Subject: Metals and minerals; Dynamos and generators
Folder ID: D8403-F
Microfilm ID: 71:64
Document ID: D8403Z
URL: https://edisondigital.rutgers.edu/document/D8403Z
Rights: Thomas Edison National Historical Park
Publisher: Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
License: CC0 1.0 Universal
Has Version: Archive.org Viewer, Microfilm Series Reel 71

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