[LB018132], Letter from Thomas Alva Edison to Erie City Iron Works, Frederick Alonzo Scheffler, July 22nd, 1884

Item

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Title

[LB018132], Letter from Thomas Alva Edison to Erie City Iron Works, Frederick Alonzo Scheffler, July 22nd, 1884

Editor's Notes

Your favor of the 19th inst. unfortunately escaped my notice. In reply I would state that you would have to make the tube from two and one half to three inches in diameter to get rid of friction. If the tube is much smaller you will not be able to hear anything, but if you lay a large tube I do not see why you should have trouble.

Date

1884-07-22

Decade

1880-1889

Type

Identifier

LB018132

Folder Set

LB018-F

Microfilm ID

82:721

Publisher

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

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