[D8505D], Letter from John Clark to Thomas Alva Edison, February 23rd, 1885

https://edisondigital.rutgers.edu/document/D8505D

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Title

[D8505D], Letter from John Clark to Thomas Alva Edison, February 23rd, 1885

Editor's Notes

John Clark writes TAE to try and get TAE's endorsement on a Telphone cable. Clark wants to increase the "telephone proportionally, and not merely in length by using a one or two inch iron rod, with a diaphragm of 10 to 20 feet diameter.

Author

Date

1885-02-23

Type

Subject

Folder/Volume ID

D8505-F

Microfilm ID

77:260

Document ID

D8505D

Publisher

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