193 records — Page 1 of 10
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Creators:
Laport, Edmund A.
Dates:
1926
Level:
item
Size:
1 Item (Silver gelatin on paper., 7.5" x 9.9".)
Collection ID:
NMAH.AC.0016
Repository:
Archives Center, National Museum of American History
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Creators:
Westinghouse Electric & Manufacturing Company
Dates:
circa 1926
Level:
item
Size:
1 Item (Silver gelatin on paper., 8.4" x 11.1".)
Collection ID:
NMAH.AC.0016
Repository:
Archives Center, National Museum of American History
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Creators:
Clark, George H.
Dates:
undated
Level:
item
Size:
1 Item (Silver gelatin on paper., 8.1" x 10.8".)
Collection ID:
NMAH.AC.0055
Repository:
Archives Center, National Museum of American History
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Creators:
Clark, George H.
Dates:
[Circa 1936]
Level:
item
Size:
1 Item (Silver gelatin on paper., 8.0" x 10.1".)
Collection ID:
NMAH.AC.0055
Repository:
Archives Center, National Museum of American History
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Creators:
Clark, George H.
Dates:
1903
Level:
item
Size:
1 Item (Paper, 7.4" x 10.5")
Collection ID:
NMAH.AC.0055
Repository:
Archives Center, National Museum of American History

Made for the U.S. Navy. No. 1136 in image area, SRM 46 110 in ink in bottom margin. Receiver made in Berlin.

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Creators:
Pickard, Greenleaf Whittier, 1877-1956
Cardwell Condenser Corporation (Lindenhurst, New York)
Dates:
1898-1941
Size:
1 Cubic foot (5 boxes)
Collection ID:
NMAH.AC.0915
Repository:
Archives Center, National Museum of American History

The collection documents Greenleaf Whittier Pickard, an engineer, and his experiments in wireless technology. Materials include Greenleaf Pickard notebooks and patents issued to Nikola Tesla.

Found In
193 records — Page 1 of 10