[N314241] Technical Note, March 28th, 1886

Item

Abstract

drawing "Good! Bladder or metal, Rubber etc compressed air also [nat?] thin dia membrane to ear tube completely enveloped with coned circle"

Date

1886-03-28

Decade

1880-1889

Identifier

N314241

Folder Set

N314

Title

[N314241] Technical Note, March 28th, 1886

Microfilm ID

42:933

Publisher

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

Item sets