[D8846ABB], Letter from Thomas Alva Edison to Richard Nott Dyer, July 20th, 1888

Item

Abstract

TAE ALS; selectable---awareness of potential market for concentrated ore] "Please give me the state of my ore milling patents in countries outside of the US. I may want to take some more out. Do I in any US patent mention several partitions to make several grades. [Includes illustration] ### 2 is what I call a Mugwump & it seems to be essential in seperating iron ores as its No 2 that the Telaniferious iron falls which is but slightly magnetic & also where the phosphate of lime & other nonferrous matter falls which has some iron attached. This mugwump stuff can be used for foundry [cast] iron not being free enough of phosphorous sulphur etc for Bessemer [rolled/rails]-If I [unclear] this prepare a patent, also in same patent you might put the following [Includes another illustration and explanation]

Recipient

Date

1888-07-20

Decade

1880-1889

Type

Identifier

D8846ABB

Folder Set

D8846

Title

[D8846ABB], Letter from Thomas Alva Edison to Richard Nott Dyer, July 20th, 1888

Microfilm ID

124:37

Publisher

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

Item sets