Search Results

Creator:

National Air and Space Museum  Search this

Type:

Conversations and talks

YouTube Videos

Uploaded:

2020-06-03T00:50:44.000Z

YouTube Category:

Science & Technology  Search this

Topic:

Aeronautics;Flight;Space Sciences  Search this

See more by:

airandspace

Data Source:

National Air and Space Museum

YouTube Channel:

airandspace

EDAN-URL:

edanmdm:yt_YcnMiCSYTnY

Maker:

Boeing Company  Search this

Physical Description:

aluminum, steel, rubber, plastic (overall material)

Measurements:

overall: 6 in x 4 1/2 in x 7 1/2 in; 15.24 cm x 11.43 cm x 19.05 cm

Object Name:

rubidium cesium standard

Credit Line:

Gift of The Boeing Company through Francis M. Czopek

ID Number:

2013.0109.02

Accession number:

2013.0109

Catalog number:

2013.0109.02

See more items in:

Medicine and Science: Modern Physics

Data Source:

National Museum of American History

GUID:

http://n2t.net/ark:/65665/ng49ca746ad-d23f-704b-e053-15f76fa0b4fa

EDAN-URL:

edanmdm:nmah_1442285

Maker:

Symmetricom, Incorporated  Search this

Physical Description:

plastic (overall material)

gray (overall color)

metal (overall material)

Measurements:

overall: 5 3/4 in x 16 3/4 in x 19 3/4 in; 14.605 cm x 42.545 cm x 50.165 cm

overall: 5 5/8 in x 16 3/4 in x 20 1/2 in; 14.2875 cm x 42.545 cm x 52.07 cm

Object Name:

atomic clock

Subject:

Modern Physics  Search this

Science & Scientific Instruments  Search this

Credit Line:

Symmetricom, Incorporated

ID Number:

2012.3092.01

Nonaccession number:

2012.3092

Catalog number:

2012.3092.01

Serial number:

US49352868

See more items in:

Medicine and Science: Modern Physics

Time and Navigation

Science & Mathematics

Measuring & Mapping

Data Source:

National Museum of American History

GUID:

http://n2t.net/ark:/65665/ng49ca746b2-b484-704b-e053-15f76fa0b4fa

EDAN-URL:

edanmdm:nmah_1425778

Creator:

Smithsonian Astrophysical Observatory  Search this

Type:

Lectures

YouTube Videos

Uploaded:

2014-03-31T13:49:12.000Z

YouTube Category:

Science & Technology  Search this

Topic:

Astronomy  Search this

See more by:

ITAMPhysics

Data Source:

Smithsonian Astrophysical Observatory

YouTube Channel:

ITAMPhysics

EDAN-URL:

edanmdm:yt_a3NJ62SOKTw

Creator:

Chi, Andrew  Search this

Names:

United States. National Aeronautics and Space Administration  Search this

Extent:

2 Cubic feet (5 boxes)

Type:

Collection descriptions

Archival materials

Charts

Correspondence

Graphs

Memorandums

Proceedings

Reports

Date:

1959-1980

Summary:

The collection consists of the papers of scientist Andrew Chi, documenting his work on the Cesium 133 atomic clock, and its relevance to the Global Positioning System.

Scope and Contents:

The collections contains correspondence, memorandum, and journal articles related to the Cesium 133 atomic clock. Many of the documents relate to the U.S. Study Group 7, International Radio Consultative Committee (CCIR) which was formed to prepare documents to dtermine the United States position in relating to worldwide service of standard frequency and time-signal emmssions. The CCIR is an advisory arm on technical matters to the International Telecommunicaytions Union (ITU).

Arrangement:

The collection is arranged into two series.

Series 1: U.S. Study Group 7, International Radio Consultative Committee (CCIR) Materials, 1964-1980

Series 2: Other Materials, 1959-1977

Biographical / Historical:

Andrew R. Chi was head of the Timing Systems Section, Space Data Control Branch, at the Goddard Space Flight Center.

Provenance:

Immediate source of acquisition unknown.

Restrictions:

Collection is open for research.

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:

Atomic clocks  Search this

Genre/Form:

Charts

Correspondence -- 20th century

Graphs

Memorandums -- 1950-2000

Proceedings

Reports -- 20th century

Citation:

Andrew Chi Atomic Clocks Collection, Archives Center, National Museum of American History.

Identifier:

NMAH.AC.1264

See more items in:

Andrew Chi Atomic Clocks Collection

Archival Repository:

Archives Center, National Museum of American History

GUID:

https://n2t.net/ark:/65665/ep8f8a1e49d-9a37-4788-b1c0-07d3ff621281

EDAN-URL:

ead_collection:sova-nmah-ac-1264

Collection Creator:

Chi, Andrew  Search this

Type:

Archival materials

Date:

1964-1980

Collection Restrictions:

Collection is open for research.

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:

Andrew Chi Atomic Clocks Collection, Archives Center, National Museum of American History.

Identifier:

NMAH.AC.1264, Series 1

See more items in:

Andrew Chi Atomic Clocks Collection

Archival Repository:

Archives Center, National Museum of American History

GUID:

https://n2t.net/ark:/65665/ep805a9ac38-b36b-48b0-9a42-d383421d9b2f

EDAN-URL:

ead_component:sova-nmah-ac-1264-ref572

Collection Creator:

Chi, Andrew  Search this

Type:

Archival materials

Date:

1959-1977

Collection Restrictions:

Collection is open for research.

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:

Andrew Chi Atomic Clocks Collection, Archives Center, National Museum of American History.

Identifier:

NMAH.AC.1264, Series 2

See more items in:

Andrew Chi Atomic Clocks Collection

Archival Repository:

Archives Center, National Museum of American History

GUID:

https://n2t.net/ark:/65665/ep89491f6ad-3775-4167-8347-0054e0d8f0a2

EDAN-URL:

ead_component:sova-nmah-ac-1264-ref573

Collection Creator:

Chi, Andrew  Search this

Container:

Box 1, Folder 1

Type:

Archival materials

Date:

undated

Collection Restrictions:

Collection is open for research.

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:

Andrew Chi Atomic Clocks Collection, Archives Center, National Museum of American History.

See more items in:

Andrew Chi Atomic Clocks Collection

Andrew Chi Atomic Clocks Collection / Series 1: U.S. Study Group 7, International Radio Consultative Committee (CCIR) Materials

Archival Repository:

Archives Center, National Museum of American History

GUID:

https://n2t.net/ark:/65665/ep8ebd08175-34e0-49fc-8c67-c69f31c00993

EDAN-URL:

ead_component:sova-nmah-ac-1264-ref509

Collection Creator:

Chi, Andrew  Search this

Container:

Box 1, Folder 2

Type:

Archival materials

Date:

1964-1966

Scope and Contents:

Includes Technical News from the u.S. Department if Commerice, National Bureua of Standards for January 1965.

Collection Restrictions:

Collection is open for research.

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:

Andrew Chi Atomic Clocks Collection, Archives Center, National Museum of American History.

See more items in:

Andrew Chi Atomic Clocks Collection

Andrew Chi Atomic Clocks Collection / Series 1: U.S. Study Group 7, International Radio Consultative Committee (CCIR) Materials

Archival Repository:

Archives Center, National Museum of American History

GUID:

https://n2t.net/ark:/65665/ep8f1910a32-70a6-4f0a-be49-a7a74ab9544c

EDAN-URL:

ead_component:sova-nmah-ac-1264-ref510

Collection Creator:

Chi, Andrew  Search this

Container:

Box 1, Folder 3

Type:

Archival materials

Date:

1965-1966

Collection Restrictions:

Collection is open for research.

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:

Andrew Chi Atomic Clocks Collection, Archives Center, National Museum of American History.

See more items in:

Andrew Chi Atomic Clocks Collection

Andrew Chi Atomic Clocks Collection / Series 1: U.S. Study Group 7, International Radio Consultative Committee (CCIR) Materials

Archival Repository:

Archives Center, National Museum of American History

GUID:

https://n2t.net/ark:/65665/ep890359c9c-39e6-4c5b-8143-d3bcce8aff96

EDAN-URL:

ead_component:sova-nmah-ac-1264-ref511

Collection Creator:

Chi, Andrew  Search this

Container:

Box 1, Folder 4

Type:

Archival materials

Date:

1967-01

Collection Restrictions:

Collection is open for research.

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:

Andrew Chi Atomic Clocks Collection, Archives Center, National Museum of American History.

See more items in:

Andrew Chi Atomic Clocks Collection

Andrew Chi Atomic Clocks Collection / Series 1: U.S. Study Group 7, International Radio Consultative Committee (CCIR) Materials

Archival Repository:

Archives Center, National Museum of American History

GUID:

https://n2t.net/ark:/65665/ep8b41eefd4-7c0e-4fa3-a887-2c9fdcb9cef1

EDAN-URL:

ead_component:sova-nmah-ac-1264-ref512

Collection Creator:

Chi, Andrew  Search this

Container:

Box 1, Folder 5

Type:

Archival materials

Date:

1967-10

Collection Restrictions:

Collection is open for research.

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:

Andrew Chi Atomic Clocks Collection, Archives Center, National Museum of American History.

See more items in:

Andrew Chi Atomic Clocks Collection

Andrew Chi Atomic Clocks Collection / Series 1: U.S. Study Group 7, International Radio Consultative Committee (CCIR) Materials

Archival Repository:

Archives Center, National Museum of American History

GUID:

https://n2t.net/ark:/65665/ep8c47dc7d4-0923-4fcf-aa18-af5a55444370

EDAN-URL:

ead_component:sova-nmah-ac-1264-ref513

Collection Creator:

Chi, Andrew  Search this

Container:

Box 1, Folder 6

Type:

Archival materials

Date:

1968

Collection Restrictions:

Collection is open for research.

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:

Andrew Chi Atomic Clocks Collection, Archives Center, National Museum of American History.

See more items in:

Andrew Chi Atomic Clocks Collection

Andrew Chi Atomic Clocks Collection / Series 1: U.S. Study Group 7, International Radio Consultative Committee (CCIR) Materials

Archival Repository:

Archives Center, National Museum of American History

GUID:

https://n2t.net/ark:/65665/ep85446a149-7c64-4ef8-a845-b3990857b6fc

EDAN-URL:

ead_component:sova-nmah-ac-1264-ref514

Collection Creator:

Chi, Andrew  Search this

Container:

Box 1, Folder 7

Type:

Archival materials

Date:

1968-07

Collection Restrictions:

Collection is open for research.

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:

Andrew Chi Atomic Clocks Collection, Archives Center, National Museum of American History.

See more items in:

Andrew Chi Atomic Clocks Collection

Andrew Chi Atomic Clocks Collection / Series 1: U.S. Study Group 7, International Radio Consultative Committee (CCIR) Materials

Archival Repository:

Archives Center, National Museum of American History

GUID:

https://n2t.net/ark:/65665/ep87d92ded4-2fb6-4bc2-bfc7-f68b770a481d

EDAN-URL:

ead_component:sova-nmah-ac-1264-ref515

Collection Creator:

Chi, Andrew  Search this

Container:

Box 1, Folder 8

Type:

Archival materials

Date:

1969

Collection Restrictions:

Collection is open for research.

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:

Andrew Chi Atomic Clocks Collection, Archives Center, National Museum of American History.

See more items in:

Andrew Chi Atomic Clocks Collection

Andrew Chi Atomic Clocks Collection / Series 1: U.S. Study Group 7, International Radio Consultative Committee (CCIR) Materials

Archival Repository:

Archives Center, National Museum of American History

GUID:

https://n2t.net/ark:/65665/ep85bcfdf20-3566-4bf9-81d4-3c056625ea39

EDAN-URL:

ead_component:sova-nmah-ac-1264-ref516

Collection Creator:

Chi, Andrew  Search this

Container:

Box 1, Folder 9

Type:

Archival materials

Date:

1969-1971

Collection Restrictions:

Collection is open for research.

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:

Andrew Chi Atomic Clocks Collection, Archives Center, National Museum of American History.

See more items in:

Andrew Chi Atomic Clocks Collection

Andrew Chi Atomic Clocks Collection / Series 1: U.S. Study Group 7, International Radio Consultative Committee (CCIR) Materials

Archival Repository:

Archives Center, National Museum of American History

GUID:

https://n2t.net/ark:/65665/ep802da75dd-11ac-4968-8b95-427dcef20d97

EDAN-URL:

ead_component:sova-nmah-ac-1264-ref517

Collection Creator:

Chi, Andrew  Search this

Container:

Box 2, Folder 1

Type:

Archival materials

Date:

1969-1975

Collection Restrictions:

Collection is open for research.

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:

Andrew Chi Atomic Clocks Collection, Archives Center, National Museum of American History.

See more items in:

Andrew Chi Atomic Clocks Collection

Andrew Chi Atomic Clocks Collection / Series 1: U.S. Study Group 7, International Radio Consultative Committee (CCIR) Materials

Archival Repository:

Archives Center, National Museum of American History

GUID:

https://n2t.net/ark:/65665/ep8a8bdc863-11be-4969-8552-8998b9241c92

EDAN-URL:

ead_component:sova-nmah-ac-1264-ref518

Collection Creator:

Chi, Andrew  Search this

Container:

Box 2, Folder 2

Type:

Archival materials

Date:

1970-09

Collection Restrictions:

Collection is open for research.

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:

Andrew Chi Atomic Clocks Collection, Archives Center, National Museum of American History.

See more items in:

Andrew Chi Atomic Clocks Collection

Andrew Chi Atomic Clocks Collection / Series 1: U.S. Study Group 7, International Radio Consultative Committee (CCIR) Materials

Archival Repository:

Archives Center, National Museum of American History

GUID:

https://n2t.net/ark:/65665/ep85c1d2e34-3ec8-42f5-814d-83a1585b54fe

EDAN-URL:

ead_component:sova-nmah-ac-1264-ref519

Collection Creator:

Chi, Andrew  Search this

Container:

Box 2, Folder 3

Type:

Archival materials

Date:

1971

Collection Restrictions:

Collection is open for research.

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:

Andrew Chi Atomic Clocks Collection, Archives Center, National Museum of American History.

See more items in:

Andrew Chi Atomic Clocks Collection

Andrew Chi Atomic Clocks Collection / Series 1: U.S. Study Group 7, International Radio Consultative Committee (CCIR) Materials

Archival Repository:

Archives Center, National Museum of American History

GUID:

https://n2t.net/ark:/65665/ep841355951-208a-4d4c-afc8-ad1654f8f911

EDAN-URL:

ead_component:sova-nmah-ac-1264-ref520

Collection Creator:

Chi, Andrew  Search this

Container:

Box 2, Folder 4

Type:

Archival materials

Date:

1971-02

Collection Restrictions:

Collection is open for research.

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:

Andrew Chi Atomic Clocks Collection, Archives Center, National Museum of American History.

See more items in:

Andrew Chi Atomic Clocks Collection

Andrew Chi Atomic Clocks Collection / Series 1: U.S. Study Group 7, International Radio Consultative Committee (CCIR) Materials

Archival Repository:

Archives Center, National Museum of American History

GUID:

https://n2t.net/ark:/65665/ep8e0603f61-2f33-43a7-9820-f35a2150b78d

EDAN-URL:

ead_component:sova-nmah-ac-1264-ref521