[X250ABI], Letter from William Dennis Marks to Edward Weston, January 22nd, 1885
https://edisondigital.rutgers.edu/document/X250ABI
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Title
[X250ABI], Letter from William Dennis Marks to Edward Weston, January 22nd, 1885
Editor's Notes
In reply to yours of 21st: 70 lamps are entered for the test; Weston 20; Edison, 20; Stanly, 20; Woodhouse & Rawson, 10; I propose to make 60 measurements of each lamp; don't see how we can measure over 70 lamps; "would be pleased to make a simple duration test with preliminary metric & efficiency measurements. This would not be of scientific value but might be of use to you"; send 30 lamps & 10 sockets.
Author
Recipient
Date
1885-01-22
Type
Folder/Volume ID
X250-F
Document ID
X250ABI
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University