[ME004], Letter from Thomas Alva Edison to Edward Hibberd Johnson, November 1886
https://edisondigital.rutgers.edu/document/ME004
→ View document with UniversalViewer
→ View document on Archive.org
→ Re-use this digital object via a IIIF manifest
Title
[ME004], Letter from Thomas Alva Edison to Edward Hibberd Johnson, November 1886
Editor's Notes
Notes on Distribution of Atlernating Current# Reverse current machine loss 25% must have continous current Dynamo charge field; iron in field is small in quantity;small amount of power required so that commerical efficency cannot be greater than 70%# Summary of Reversing Polarity; loss of static charge of high tension; conductors underground; loss of converter; loss of distributing mains; loss of high tension wires etc 13 pages of explanations and percentages
Supplied year and month
Author
Recipient
Date
1886-11-00
Type
Subject
Folder/Volume ID
ME-F
Microfilm ID
148:5
Document ID
ME004
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University