[LB040189], Memorandum, Edison Lamp Co, April 25th, 1890
https://edisondigital.rutgers.edu/document/LB040189
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Title
[LB040189], Memorandum, Edison Lamp Co, April 25th, 1890
Author
Mentioned
Date
1890-04-25
Type
Folder/Volume ID
LB040-F
Microfilm ID
140:1086
Document ID
LB040189
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
Has Version
Item sets
Transcription
April 25, 1890
Edison Lamp Company
Harrison, N.J.
SULPHIDE OF SILVER
This was an experiment on a system for cutting out automatically municipal lamps in series when anyone in the series broke it was successful as far as carried out, and the results have been communicated to the Lamp Company.
VOLT METER EXPERIMENT
This is a branch of the experiment on Sulphide of Silver in connection with municipal lamp cut outs.
PHOTOMETER
This was an experiment made to ascertain whether a voltmeter could be made cheaply on the photometer principle.
Edison Lamp Company
Harrison, N.J.
SULPHIDE OF SILVER
This was an experiment on a system for cutting out automatically municipal lamps in series when anyone in the series broke it was successful as far as carried out, and the results have been communicated to the Lamp Company.
VOLT METER EXPERIMENT
This is a branch of the experiment on Sulphide of Silver in connection with municipal lamp cut outs.
PHOTOMETER
This was an experiment made to ascertain whether a voltmeter could be made cheaply on the photometer principle.