[MBP008], Patent Specification, Thomas Alva Edison, July 19th, 1877

Item

Abstract

Brit. Pat. 2909; Telephone and recorder (both sound and ink recording) patent; followed by disclaimers 10 Feb 1880 and 13 June 1881 of Edison Telephone Co., which alter patent specs [appear to be British equivalent of a reissue] -- several items from preceding technical notes are incorporated here; only extensive discussion of several lines of attack

Date

1877-07-19

Decade

1870-1879

Identifier

MBP008

Folder Set

MBP

Title

[MBP008], Patent Specification, Thomas Alva Edison, July 19th, 1877

Microfilm ID

92:56

Publisher

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