[D7838R], Letter from Asahel K Eaton to Thomas Alva Edison, February 27th, 1878

Item

Abstract

Glass disks TAE wants will have to be made specially -- Prof. Plympton and three or four others want to call on TAE at Menlo TAE marg: I may require a 1000, but want 25 immediately. I use the disks which are 5/8 diameter & 3/1000 thick in my carbon telephone for pressing down the platina disk on carbon button by diaphragm. Ivory wood vulcanite etc swells or warps by heat due to the passage of the current through carbon. How much per 1000 or doz. These must be flat , will name day when to bring your men over=

Date

1878-02-27

Decade

1870-1879

Type

Identifier

D7838R

Folder Set

D7838

Title

[D7838R], Letter from Asahel K Eaton to Thomas Alva Edison, February 27th, 1878

Microfilm ID

19:635

Publisher

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