[D7828D], Letter from Lemuel Wright Serrell to Thomas Alva Edison, February 6th, 1878
https://edisondigital.rutgers.edu/document/D7828D
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Title
[D7828D], Letter from Lemuel Wright Serrell to Thomas Alva Edison, February 6th, 1878
Editor's Notes
Thinks he can put various modifications of telephone circuits in one application because subject is new and can be secured by broad claim -- in second of recent cases TAE will have to divide as they are separate and distinct receiving instruments and neither is a modification of the others, thus, one for acoustic receiver having numerous diaphragms the other for speaker and receiver on the fork and the third for receiver shown in Fig. 3 --
Author
Recipient
Date
1878-02-06
Type
Subject
Folder/Volume ID
D7828-F
Microfilm ID
18:627
Document ID
D7828D
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University