[NM022AAE], Technical Note, Thomas Alva Edison, January 17th, 1888

Item

Abstract

WAX CYLINDERS: "The ordinary waxes of Commerce are not sufficient. They are too soft to [----]c either too hard or too mostly too soft and it is essential to use a hardening material mixed with them. For this purpose I have discovered that Carnauba Wax is the best hardener for mixing with the various soft waxes, and it may be used in various proportions up to the point where it is such quantity as to cause [excess? C-------] scraping sounds." [probably in interference with earlier Tainter appn]

Date

1888-01-17

Decade

1880-1889

Identifier

NM022AAE

Folder Set

NM022

Title

[NM022AAE], Technical Note, Thomas Alva Edison, January 17th, 1888

Microfilm ID

44:928

Publisher

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

Item sets