[D7838ZFE], Letter from George S Ladd, Gold and Stock Telegraph Co to Thomas Alva Edison, October 19th, 1878
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Title
[D7838ZFE], Letter from George S Ladd, Gold and Stock Telegraph Co to Thomas Alva Edison, October 19th, 1878
Editor's Notes
want to make telephones there and what would be cost of carbon to make 500 buttons; also note that pack the carbon into the receptacle and then smooth and polish upper surface rather than making in mould and find not so easily broken; marg indicates cost $4.35 per 100 and they furnish G&S at cost
Recipient
Date
1878-10-19
Type
Folder/Volume ID
D7838-F
Microfilm ID
19:779
Document ID
D7838ZFE
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University