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Spark Gap Transmitters & Crystal Receivers

Collection Creator:
Clark, George Howard, 1881-1956  Search this
Collection Source:
Electricity and Modern Physics, Division of, NMAH, SI.  Search this
Container:
Map-folder 1
Type:
Archival materials
Date:
undated
Collection Restrictions:
The collection is open for research use.

Gloves must be worn when handling unprotected photographs, negatives, and slides.
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 Citation:
George H. Clark Radioana Collection, Archives Center, National Museum of American History, Smithsonian Institution
See more items in:
George H. Clark Radioana Collection
George H. Clark Radioana Collection / Series 32: Spark Gaps
Archival Repository:
Archives Center, National Museum of American History
EDAN-URL:
ead_component:sova-nmah-ac-0055-ref1392

Miscellaneous blueprints

Collection Creator:
Clark, George Howard, 1881-1956  Search this
Collection Source:
Electricity and Modern Physics, Division of, NMAH, SI.  Search this
Container:
Map-folder 2
Type:
Archival materials
Date:
undated
Collection Restrictions:
The collection is open for research use.

Gloves must be worn when handling unprotected photographs, negatives, and slides.
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 Citation:
George H. Clark Radioana Collection, Archives Center, National Museum of American History, Smithsonian Institution
See more items in:
George H. Clark Radioana Collection
George H. Clark Radioana Collection / Series 32: Spark Gaps
Archival Repository:
Archives Center, National Museum of American History
EDAN-URL:
ead_component:sova-nmah-ac-0055-ref1393

Brandes Headset advertising material: posters, brochures (oversize)

Collection Creator:
Clark, George Howard, 1881-1956  Search this
Collection Source:
Electricity and Modern Physics, Division of, NMAH, SI.  Search this
Container:
Box 221, Folder 1
Type:
Archival materials
Date:
undated
Collection Restrictions:
The collection is open for research use.

Gloves must be worn when handling unprotected photographs, negatives, and slides.
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 Citation:
George H. Clark Radioana Collection, Archives Center, National Museum of American History, Smithsonian Institution
See more items in:
George H. Clark Radioana Collection
George H. Clark Radioana Collection / Series 49: Audio Signal Devices
Archival Repository:
Archives Center, National Museum of American History
EDAN-URL:
ead_component:sova-nmah-ac-0055-ref1514

Receiving Vacuum Tubes: Scrapbook (oversize)

Collection Creator:
Clark, George Howard, 1881-1956  Search this
Collection Source:
Electricity and Modern Physics, Division of, NMAH, SI.  Search this
Container:
Box 238A
Type:
Archival materials
Date:
undated
Collection Restrictions:
The collection is open for research use.

Gloves must be worn when handling unprotected photographs, negatives, and slides.
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 Citation:
George H. Clark Radioana Collection, Archives Center, National Museum of American History, Smithsonian Institution
See more items in:
George H. Clark Radioana Collection
George H. Clark Radioana Collection / Series 52: Receiving Vacuum Tubes
Archival Repository:
Archives Center, National Museum of American History
EDAN-URL:
ead_component:sova-nmah-ac-0055-ref1564

miscellaneous photographs & negatives

Collection Creator:
Clark, George Howard, 1881-1956  Search this
Collection Source:
Electricity and Modern Physics, Division of, NMAH, SI.  Search this
Container:
Box 465
Type:
Archival materials
Date:
undated
Collection Restrictions:
The collection is open for research use.

Gloves must be worn when handling unprotected photographs, negatives, and slides.
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 Citation:
George H. Clark Radioana Collection, Archives Center, National Museum of American History, Smithsonian Institution
See more items in:
George H. Clark Radioana Collection
George H. Clark Radioana Collection / Series C: Clark Unorganized and/or Duplicate Photographs
Archival Repository:
Archives Center, National Museum of American History
EDAN-URL:
ead_component:sova-nmah-ac-0055-ref2863

Slaby Arco receiver, interior / U S Navy [sic] / 1903 [cyanotype]

Collector:
Clark, George H.  Search this
Collection Creator:
Clark, George Howard, 1881-1956  Search this
Collection Source:
Electricity and Modern Physics, Division of, NMAH, SI.  Search this
Extent:
1 Item (Paper, 7.4" x 10.5")
Container:
Box 221, Folder 1
Type:
Archival materials
Cyanotypes
Photographs
Date:
1903
Scope and Contents:
Made for the U.S. Navy. No. 1136 in image area, SRM 46 110 in ink in bottom margin. Receiver made in Berlin.
Local Numbers:
AC0055-0000031.tif (AC Scan)
Restrictions:
Unrestricted research use on site by appointment. Photographs must be handled with cotton gloves unless protected by sleeves.
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.
Topic:
Radio -- Receivers and reception  Search this
Genre/Form:
Cyanotypes
Photographs -- 1900-1910 -- Cyanotypes
Collection Citation:
George H. Clark Radioana Collection, Archives Center, National Museum of American History, Smithsonian Institution
See more items in:
George H. Clark Radioana Collection
George H. Clark Radioana Collection / Series 49: Audio Signal Devices / Brandes Headset advertising material: posters, brochures (oversize)
Archival Repository:
Archives Center, National Museum of American History
EDAN-URL:
ead_component:sova-nmah-ac-0055-ref3677

Valve tuner. With Fleming valves / Marconi W T Co. of America / About 1912 [typed on mount] [lack and white photoprint]

Collector:
Clark, George H.  Search this
Names:
Marconi Wireless Telegraph Company of America  Search this
Collection Creator:
Clark, George Howard, 1881-1956  Search this
Collection Source:
Electricity and Modern Physics, Division of, NMAH, SI.  Search this
Extent:
1 Item (Silver gelatin on paper; mounted on paper., 7.0" x 11.0")
Container:
Box 221, Folder 2
Type:
Archival materials
Photographs
Date:
Circa 1912
Scope and Contents:
Tuner made by the Marconi Wireless Telegraph Company of America. In ink at bottom of mount: SRM 46 208. "Photo to / G H Clark / from Geo. / Hayes" in ink on mount.
Local Numbers:
AC0055-0000032.tif (AC Scan)
Restrictions:
Unrestricted research use on site by appointment. Photographs must be handled with cotton gloves unless protected by sleeves.
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.
Topic:
Radio -- Receivers and reception  Search this
Genre/Form:
Photographs -- 1910-1920 -- Black-and-white photoprints -- Silver gelatin
Collection Citation:
George H. Clark Radioana Collection, Archives Center, National Museum of American History, Smithsonian Institution
See more items in:
George H. Clark Radioana Collection
George H. Clark Radioana Collection / Series 49: Audio Signal Devices / Brandes Headset advertising material: posters, brochures (oversize)
Archival Repository:
Archives Center, National Museum of American History
EDAN-URL:
ead_component:sova-nmah-ac-0055-ref3678

General "S" file, including secondary material on the following persons

Collection Creator:
Clark, George Howard, 1881-1956  Search this
Collection Source:
Electricity and Modern Physics, Division of, NMAH, SI.  Search this
Type:
Archival materials
Collection Restrictions:
The collection is open for research use.

Gloves must be worn when handling unprotected photographs, negatives, and slides.
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 Citation:
George H. Clark Radioana Collection, Archives Center, National Museum of American History, Smithsonian Institution
See more items in:
George H. Clark Radioana Collection
George H. Clark Radioana Collection / Series 4: Biographies of Radio Personages, Technical
Archival Repository:
Archives Center, National Museum of American History
EDAN-URL:
ead_component:sova-nmah-ac-0055-ref5409

General "T" file, including secondary material on the following persons

Collection Creator:
Clark, George Howard, 1881-1956  Search this
Collection Source:
Electricity and Modern Physics, Division of, NMAH, SI.  Search this
Type:
Archival materials
Collection Restrictions:
The collection is open for research use.

Gloves must be worn when handling unprotected photographs, negatives, and slides.
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 Citation:
George H. Clark Radioana Collection, Archives Center, National Museum of American History, Smithsonian Institution
See more items in:
George H. Clark Radioana Collection
George H. Clark Radioana Collection / Series 4: Biographies of Radio Personages, Technical
Archival Repository:
Archives Center, National Museum of American History
EDAN-URL:
ead_component:sova-nmah-ac-0055-ref5410

General "V" file, including secondary material on the following persons

Collection Creator:
Clark, George Howard, 1881-1956  Search this
Collection Source:
Electricity and Modern Physics, Division of, NMAH, SI.  Search this
Type:
Archival materials
Collection Restrictions:
The collection is open for research use.

Gloves must be worn when handling unprotected photographs, negatives, and slides.
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 Citation:
George H. Clark Radioana Collection, Archives Center, National Museum of American History, Smithsonian Institution
See more items in:
George H. Clark Radioana Collection
George H. Clark Radioana Collection / Series 4: Biographies of Radio Personages, Technical
Archival Repository:
Archives Center, National Museum of American History
EDAN-URL:
ead_component:sova-nmah-ac-0055-ref5412

General "W" file, including secondary material on the following persons

Collection Creator:
Clark, George Howard, 1881-1956  Search this
Collection Source:
Electricity and Modern Physics, Division of, NMAH, SI.  Search this
Type:
Archival materials
Collection Restrictions:
The collection is open for research use.

Gloves must be worn when handling unprotected photographs, negatives, and slides.
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 Citation:
George H. Clark Radioana Collection, Archives Center, National Museum of American History, Smithsonian Institution
See more items in:
George H. Clark Radioana Collection
George H. Clark Radioana Collection / Series 4: Biographies of Radio Personages, Technical
Archival Repository:
Archives Center, National Museum of American History
EDAN-URL:
ead_component:sova-nmah-ac-0055-ref5413

General "Y" file, including secondary material on the following persons

Collection Creator:
Clark, George Howard, 1881-1956  Search this
Collection Source:
Electricity and Modern Physics, Division of, NMAH, SI.  Search this
Type:
Archival materials
Collection Restrictions:
The collection is open for research use.

Gloves must be worn when handling unprotected photographs, negatives, and slides.
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 Citation:
George H. Clark Radioana Collection, Archives Center, National Museum of American History, Smithsonian Institution
See more items in:
George H. Clark Radioana Collection
George H. Clark Radioana Collection / Series 4: Biographies of Radio Personages, Technical
Archival Repository:
Archives Center, National Museum of American History
EDAN-URL:
ead_component:sova-nmah-ac-0055-ref5414

Fairbanks, Sheldon O.

Collection Creator:
Clark, George Howard, 1881-1956  Search this
Collection Source:
Electricity and Modern Physics, Division of, NMAH, SI.  Search this
Container:
Box 12, Folder 3
Type:
Archival materials
Collection Restrictions:
The collection is open for research use.

Gloves must be worn when handling unprotected photographs, negatives, and slides.
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 Citation:
George H. Clark Radioana Collection, Archives Center, National Museum of American History, Smithsonian Institution
See more items in:
George H. Clark Radioana Collection
George H. Clark Radioana Collection / Series 4: Biographies of Radio Personages, Technical / General "F" file, including secondary material on the following persons
Archival Repository:
Archives Center, National Museum of American History
EDAN-URL:
ead_component:sova-nmah-ac-0055-ref5417

Farnham, Paul O.

Collection Creator:
Clark, George Howard, 1881-1956  Search this
Collection Source:
Electricity and Modern Physics, Division of, NMAH, SI.  Search this
Container:
Box 12, Folder 3
Type:
Archival materials
Collection Restrictions:
The collection is open for research use.

Gloves must be worn when handling unprotected photographs, negatives, and slides.
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 Citation:
George H. Clark Radioana Collection, Archives Center, National Museum of American History, Smithsonian Institution
See more items in:
George H. Clark Radioana Collection
George H. Clark Radioana Collection / Series 4: Biographies of Radio Personages, Technical / General "F" file, including secondary material on the following persons
Archival Repository:
Archives Center, National Museum of American History
EDAN-URL:
ead_component:sova-nmah-ac-0055-ref5418

Farouk, King, I

Collection Creator:
Clark, George Howard, 1881-1956  Search this
Collection Source:
Electricity and Modern Physics, Division of, NMAH, SI.  Search this
Container:
Box 12, Folder 3
Type:
Archival materials
Collection Restrictions:
The collection is open for research use.

Gloves must be worn when handling unprotected photographs, negatives, and slides.
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 Citation:
George H. Clark Radioana Collection, Archives Center, National Museum of American History, Smithsonian Institution
See more items in:
George H. Clark Radioana Collection
George H. Clark Radioana Collection / Series 4: Biographies of Radio Personages, Technical / General "F" file, including secondary material on the following persons
Archival Repository:
Archives Center, National Museum of American History
EDAN-URL:
ead_component:sova-nmah-ac-0055-ref5419

Farrell, J.J.

Collection Creator:
Clark, George Howard, 1881-1956  Search this
Collection Source:
Electricity and Modern Physics, Division of, NMAH, SI.  Search this
Container:
Box 12, Folder 3
Type:
Archival materials
Collection Restrictions:
The collection is open for research use.

Gloves must be worn when handling unprotected photographs, negatives, and slides.
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 Citation:
George H. Clark Radioana Collection, Archives Center, National Museum of American History, Smithsonian Institution
See more items in:
George H. Clark Radioana Collection
George H. Clark Radioana Collection / Series 4: Biographies of Radio Personages, Technical / General "F" file, including secondary material on the following persons
Archival Repository:
Archives Center, National Museum of American History
EDAN-URL:
ead_component:sova-nmah-ac-0055-ref5420

Feller, J.E.

Collection Creator:
Clark, George Howard, 1881-1956  Search this
Collection Source:
Electricity and Modern Physics, Division of, NMAH, SI.  Search this
Container:
Box 12, Folder 3
Type:
Archival materials
Collection Restrictions:
The collection is open for research use.

Gloves must be worn when handling unprotected photographs, negatives, and slides.
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 Citation:
George H. Clark Radioana Collection, Archives Center, National Museum of American History, Smithsonian Institution
See more items in:
George H. Clark Radioana Collection
George H. Clark Radioana Collection / Series 4: Biographies of Radio Personages, Technical / General "F" file, including secondary material on the following persons
Archival Repository:
Archives Center, National Museum of American History
EDAN-URL:
ead_component:sova-nmah-ac-0055-ref5421

Ferrie, General

Collection Creator:
Clark, George Howard, 1881-1956  Search this
Collection Source:
Electricity and Modern Physics, Division of, NMAH, SI.  Search this
Container:
Box 12, Folder 3
Type:
Archival materials
Collection Restrictions:
The collection is open for research use.

Gloves must be worn when handling unprotected photographs, negatives, and slides.
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 Citation:
George H. Clark Radioana Collection, Archives Center, National Museum of American History, Smithsonian Institution
See more items in:
George H. Clark Radioana Collection
George H. Clark Radioana Collection / Series 4: Biographies of Radio Personages, Technical / General "F" file, including secondary material on the following persons
Archival Repository:
Archives Center, National Museum of American History
EDAN-URL:
ead_component:sova-nmah-ac-0055-ref5422

Field, Robert F.

Collection Creator:
Clark, George Howard, 1881-1956  Search this
Collection Source:
Electricity and Modern Physics, Division of, NMAH, SI.  Search this
Container:
Box 12, Folder 3
Type:
Archival materials
Collection Restrictions:
The collection is open for research use.

Gloves must be worn when handling unprotected photographs, negatives, and slides.
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 Citation:
George H. Clark Radioana Collection, Archives Center, National Museum of American History, Smithsonian Institution
See more items in:
George H. Clark Radioana Collection
George H. Clark Radioana Collection / Series 4: Biographies of Radio Personages, Technical / General "F" file, including secondary material on the following persons
Archival Repository:
Archives Center, National Museum of American History
EDAN-URL:
ead_component:sova-nmah-ac-0055-ref5423

Fillmore, H.P.

Collection Creator:
Clark, George Howard, 1881-1956  Search this
Collection Source:
Electricity and Modern Physics, Division of, NMAH, SI.  Search this
Container:
Box 12, Folder 3
Type:
Archival materials
Collection Restrictions:
The collection is open for research use.

Gloves must be worn when handling unprotected photographs, negatives, and slides.
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 Citation:
George H. Clark Radioana Collection, Archives Center, National Museum of American History, Smithsonian Institution
See more items in:
George H. Clark Radioana Collection
George H. Clark Radioana Collection / Series 4: Biographies of Radio Personages, Technical / General "F" file, including secondary material on the following persons
Archival Repository:
Archives Center, National Museum of American History
EDAN-URL:
ead_component:sova-nmah-ac-0055-ref5424

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