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Creators:
Electricity and Modern Physics, Division of, NMAH, SI.
Thomson, Elihu, 1853-1937 ((electrical engineer) )
Dates:
1900-1932.
Size:
0.5 Cubic feet (1 box)
Collection ID:
NMAH.AC.0103
Repository:
Archives Center, National Museum of American History

Material documenting the activities of the Thomson Electric Welding Company and the Thomson Spot Welder Company. Includes copies of patents issued to Thomson or his employees, bulletins on electric resistance welding published by the companies, photographs of electric welding equipment, sales literature, historical notes on Elihu Thomson, and a led...

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Creators:
Pratt & Whitney Company
Mechanisms, Division of.
Dates:
1897-1906.
Size:
0.6 Cubic feet (1,box.)
Collection ID:
NMAH.AC.0093
Repository:
Archives Center, National Museum of American History

Scrapbook kept by the Pratt & Whitney Company, Hartford, Connecticut, manufacturers of general purpose machine tools; contains correspondence, price lists and quotes, and sales literature from U.S. and foreign companies to Pratt and Whitney in reply to requests for information and prices of machinery and tools; copies of business cards from U.S. an...

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Creators:
Gross, Gerald Connop (radio engineer)
Electricity and Modern Physics, Division of, NMAH, SI.
Dates:
1900-1946.
Size:
2 Cubic feet (6 boxes)
Collection ID:
NMAH.AC.0095
Repository:
Archives Center, National Museum of American History

This collection documents the history of the development of international communications. Includes official correspondence, 1926-1945, while Gross was at the F.C.C.; clippings; photographs; publications; legal documents; radio licenses; reports from international conferences; and F.C.C. reports and circulars.

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Creators:
Meggars, Edith R.
Meggars, William F., Dr. (physicist)
Dates:
1914-1970.
Size:
8 Cubic feet (11 Boxes)
Collection ID:
NMAH.AC.0061
Repository:
Archives Center, National Museum of American History

Personal papers and advertising paraphernalia, such as matchbooks and pencils, from the Meggars' Collection, which they called "The Museum."

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Creators:
Busignies, Henri Gaston, 1905-1981 (electronic/communications engineer)
Electricity and Modern Physics, Division of, NMAH, SI.
Dates:
1905-1981
Size:
0.15 Cubic feet (1 box)
Collection ID:
NMAH.AC.0098
Repository:
Archives Center, National Museum of American History

Documentation of Gaston's role in the development of radio direction finders during World War II.

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Creators:
Winslow, Joseph Pope (farmer, carpenter)
Dates:
1876
Size:
0.33 Cubic feet (1 box)
Collection ID:
NMAH.AC.0467
Repository:
Archives Center, National Museum of American History

Xerographic copy of the diary of J. P. Winslow for 1876, and a typescript transcription of the diary. Several interesting and significant items have been included with the diary. Among them are the marriage certificate of Mary Winslow and Dan Grantham, copies of photographs of Joseph Pope Winslow and his family and of James Daniel Grantham and his, and copies of maps of the area where the Winslows lived.

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Creators:
Golovin, Anne Castrodale
Dates:
1824-1846.
Size:
0.15 Cubic feet (1 folder)
Collection ID:
NMAH.AC.0057
Repository:
Archives Center, National Museum of American History

Account book of an unidentified person, possibly living in Massachusetts or Rhode Island, includes entries regarding items purchased and sold, such as bricks and agricultural products, and a record of himself and other persons employed, including the rental of animal teams for ploughing.

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Creators:
Gerrell, James E. (lead pipe contractor)
Dates:
1842-1847.
Size:
0.15 Cubic feet (1 folder )
Collection ID:
NMAH.AC.0056
Repository:
Archives Center, National Museum of American History

Notebook of James E. Gerrell, lead pipe contractor for S. B. Morse's Washington-Baltimore Telegraph of 1842, and city surveyor of New York, 1845-1847: contains copies of letters from the New York Tribune about Morse's Electro magnetic Telegraph; a letter from N. L. Griswould to Gerrell requesting a survey of property near the Atlantic Dock, Brookly...

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Creators:
Von Fuchs, George, Dr.
Halacsy, Andrew, Dr. (electrical engineer)
Dates:
1884-1885
Size:
0.66 Cubic feet (2 boxes)
Collection ID:
NMAH.AC.0052
Repository:
Archives Center, National Museum of American History

Contains information directly relevant to the transformer's 1884-1885 evolution and secondary references and articles which von Fuchs and Halacsy referred to in their research.

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Creators:
Nygaard, Kaare K., 1903-1989
Dates:
1921-1986
Size:
1 Cubic foot (2 boxes)
Collection ID:
NMAH.AC.0378
Repository:
Archives Center, National Museum of American History

The collection includes drafts of chapters and sections (some hand written) of Nygaard's book Hemorrhagic Diseases.