[LB011385], Letter from Thomas Alva Edison to Edward Hibberd Johnson, March 6th, 1882

Item

Abstract

In enclosing Mr Dyers review of Mr Bidwell's Report on my English Electric Light Patent I beg to state as follows:##Patent 5306 of 1878. As this patent has no bearing whatever on my present system I think it would be well to take no action whatever as to it as it is possible that in the future some new features may be developed in connection with which some of the claims of this patent might be found of [--] considerable value##Patent 4286 of 1878. The foregoing remarks apply equally as well to the claims in this patent.##Patent 2402 of 1879. Seimens patent calls only for an Iron Cylinder while my patent claims an Iron cylinder composed of Iron to prevent weak cutting of the lines of force; and there is little doubt but that Seimens Patent would not permit him to use a cylinder formed in such a way as to prevent local cutting. In this [case] [----] I would mention that

Date

1882-03-06

Decade

1880-1889

Type

Identifier

LB011385

Folder Set

LB011

Title

[LB011385], Letter from Thomas Alva Edison to Edward Hibberd Johnson, March 6th, 1882

Microfilm ID

81:409

Publisher

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

Item sets