Radio tubes, World War I aircraft transmitter, excerpts from Hammer's notebook describing "phantom shadows" and a radio exhibit

American History Museum

Object Details

Collection Creator

Hammer, William J. (William Joseph), 1858-1934 (electrical engineer)

Collection Citation

William J. Hammer Collection, Archives Center, National Museum of American History

sova.nmah.ac.0069_ref3875

GUID

https://n2t.net/ark:/65665/ep8e6f208ed-ad03-4c75-a806-c2a5fcd342e1

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William J. Hammer Collection

William J. Hammer Collection / Series 4: Photographs / 4.3: Reference Materials

Date

undated

Container

Box 110, Folder 3

Archival Repository

Archives Center, National Museum of American History

Type

Archival materials

Negatives

Collection Rights

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.

Collection Restrictions

Collection is open for research.

NMAH.AC.0069_ref3875

Large EAD

https://n2t.net/ark:/65665/ep8e6f208ed-ad03-4c75-a806-c2a5fcd342e1

NMAH.AC.0069

ACAH

Record ID

ebl-1609250473286-1609250473662-4

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