Archives Center, National Museum of American History

Guide to the Lloyd Espenschied Papers

Summary

Collection ID:
NMAH.AC.0013
Creators:
Espenschied, Lloyd, 1889-? (electrical engineer)
Dates:
1907-1969
Languages:
English
.
Physical Description:
11.3 Cubic feet
Repository:
Papers document the history on telephonic and wireless communication.

Scope and Contents note

Scope and Contents note
Miscellaneous information on the history of telephonic and wireless communication; considerable personal correspondence about men and events in the field, especially disputed claims of inventions, development, and the like.

Arrangement

Arrangement
The collection is divided into 4 series.
Series 1: Subject files, 1907-1964
Series 2: Papers and talks by Espenschied, 1923-1969
Series 3: Patents, 1928-1953
Series 4: Correspondence, 1947-1959

Biographical/Historical note

Biographical/Historical note
Espenschied was born in St. Louis and graduated from Pratt Institute in electrical engineering, 1909; on staff of the Telefunken Wireless Telegraph Company, 1909-10; worked for American Telephone and Telegraph Company in various capacities, 1910-34; directed high-frequency transmission development for Bell Telephone Laboratories, 1934-37. Chief interests seem to have been wide-band and carrier waves and wide band systems for communications.

Administration

Author
Robert Harding
Immediate Source of Acquisition
Immediate source of acquisition unknown.
Processing Information
Collection processed by Robert Harding, 1982
Ownership and Custodial History
Transferred from the Division of Electricity, 4/13/83.

Using the Collection

Conditions Governing Access
Collection is open for research.
Preferred Citation
Lloyd Espenschied Papers, Archives Center, National Museum of American History.
Conditions Governing Use
Collection items available for reproduction, but the Archives Center makes no guarantees concerning copyright restrictions. Other intellectual property rights may apply. Archives Center cost-recovery and use fees may apply when requesting reproductions.

Keywords

Keywords table of terms and types.
Keyword Terms Keyword Types
Telegraph, Wireless Topical Search Smithsonian Collections Search ArchiveGrid
Radio Topical Search Smithsonian Collections Search ArchiveGrid
Telecommunication Topical Search Smithsonian Collections Search ArchiveGrid
Communication Topical Search Smithsonian Collections Search ArchiveGrid
Electrical engineering Topical Search Smithsonian Collections Search ArchiveGrid
American Telephone and Telegraph Company Corporate Name Search Smithsonian Collections Search ArchiveGrid
Telefunken Wireless Telegraph Company. Corporate Name Search Smithsonian Collections Search ArchiveGrid
Bell Telephone Laboratories Corporate Name Search Smithsonian Collections Search ArchiveGrid
National Museum of American History (U.S.). Division of Electricity and Modern Physics Corporate Name Search Smithsonian Collections Search ArchiveGrid

Archives Center, National Museum of American History
P.O. Box 37012
Suite 1100, MRC 601
Washington, D.C. 20013-7012
Business Number: Phone: 202-633-3270
Fax Number: Fax: 202-786-2453
archivescenter@si.edu