100 years of electrical communication in the United States
Contributors: American Telephone and Telegraph Company; Maryland Historical Society
Publisher: American Telephone and Telegraph Co.
Published: 1944
Place of publication: New York, N.Y
Language: eng
Number of pages: 30
Subjects: Telegraph; History; Telephone
Notes: On cover: An address presented before the Maryland Historical Society at Baltimore on May 24, 1944; and before Sigma xi Society, University of Chicago, at Chicago on June 1, 1944.

"Author's note" on p. [2] of cover.

"Written at the request of the Maryland Historical Society."

Microfilm. New York, N.Y., Columbia University Libraries, 1996. 1 microfilm reel, 35 mm.

Filmed; NEH Project (FMEST); 1996.