[D7940ZBG], Letter from Berthon (A.) & Co to Thomas Alva Edison, September 24th, 1879
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Title
[D7940ZBG], Letter from Berthon (A.) & Co to Thomas Alva Edison, September 24th, 1879
Editor's Notes
Send instructions & drawings for making chalk rollers and carbons. Required by law to manufacture articles in France. Marg: have drawings made in metric measures, have Batch make calculations. "Say in lettter that the microphone Telephone used in the inst he has has proven a failure as it is unreliable..." Should try to get special govt concession to import telephones; could send 100 per week at $13.82 each.
Author
Recipient
Date
1879-09-24
Type
Folder/Volume ID
D7940-F
Microfilm ID
52:346
Document ID
D7940ZBG
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University