1.
NMAH | Surveying & Geodesy | Macrometer V-1000
The Macrometer Interferometric Surveyor was the first GPS system suitable for geodetic work. Its conceptual foundation is Very Long Baseline Interferometry ...
2.
Card, tabletop, and very small presses
File Format: PDF/Adobe Acrobat - View as HTML Iron tabletop card press, probably made by R. Hoe & Co., after ... Roller proof press made about 1860, by the Johnson Type Foundry,. Philadelphia. ...
3.
Lisa Law: Organizing Woodstock
Hog Farmers arrival at John F. Kennedy Airport en route to the Woodstock Music and Art Fair, Woodstock, New York, 1969. The Laws and others in the ...
4.
Perspectives of the Smithsonian: Smithsonian Computer History
"First Computer Bug," 1947. Smithsonian Image 92-13137. NMAH Object 1994.0191.1. American engineers have been calling small flaws in machines "bugs" for ...
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NMAH | Log Book With Computer Bug
Log Book With Computer Bug ... They taped the insect in their logbook and labeled it “first actual case of bug being found.” The words “bug” and “debug” ...
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NMAH | Timeline
The National Museum of American History is one of the Smithsonian Institution museums located on The Mall in Washington DC.
7.
Perspectives of the Smithsonian: Smithsonian Computer History
Altair Computer, 1975. Smithsonian Image 88-19284. ... Not long after Intel introduced its 8080 chip, a small firm in Albuquerque, New Mexico, named MITS (Micro Instrumentation and Telemetry Systems) announced a computer kit called the ...
8.
You Be the Conservator
Para demostrar el conocimiento de la historia y la importancia cultural ... Los rayos X pasan a través de diferentes partes del objeto de manera diferente ...
9.
Lighting A Revolution: Webnotes 20th Century Invention
The halogen cycle describes a complex chemical interaction between tungsten ... Special thanks to Dr. Edward Zubler for information about the halogen cycle. ...
10.
Railroad collections
Jan 25, 2002 ... These were sleeping cars equipped with kitchen-dining facilities. ... -Memorandum regarding sale of cars and equipment, 1930-1943 ...