[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 --

Date

1878-02-06

Type

Folder/Volume ID

D7828-F

Microfilm ID

18:627

Document ID

D7828D

Publisher

Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
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