Petitions of McDonough and Gray to reopen the speaking telephone interferences :
hearing, February 1 to February 9, 1888, before Hon. Benton J. Hall /
Robert G. Ingersoll ... [et al.].

Description

Related Names

Gray, Elisha, 1835-1901.
McDonough, J. W.
Ingersoll, Robert Green, 1833-1899.
United States. Patent Office.

Language(s)

English

Published

Boston : A. Mudge & Son, 1888.

Subjects

Patents > Patents / United States.
Telephone > Telephone / Patents.

Note

At head of title: United States Patent Office.

Physical Description

1 p.l., xxx, 504, 19 p. : ill. ; 25 cm.

Locate a Print Version

Find in a library

Viewability