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Finding Common Ground 2 | Tiya Miles

Creator:
National Museum of the American Indian  Search this
Type:
Youtube videos
Uploaded:
2018-02-23T15:03:47Z
Topic:
Native Americans;American Indians  Search this
Youtube Category:
Education  Search this
See more by:
SmithsonianNMAI
YouTube Channel:
SmithsonianNMAI
Data Source:
National Museum of the American Indian
EDAN-URL:
edanmdm:yt_OfaLDIgw0A8

Primates and Peanuts: Testing Tool IQ

Creator:
National Zoo  Search this
Type:
Youtube videos
Uploaded:
2019-05-03T16:44:51Z
Topic:
Zoology;Animals;Veterinary medicine;Animal health  Search this
Youtube Category:
Pets & Animals  Search this
See more by:
SmithsonianNZP
YouTube Channel:
SmithsonianNZP
Data Source:
National Zoo
EDAN-URL:
edanmdm:yt_U-LGQxNX7qA

Honoring Queen Liliʻuokalani

Creator:
National Museum of the American Indian  Search this
Type:
Youtube videos
Uploaded:
2019-03-11T19:19:52Z
Topic:
Native Americans;American Indians  Search this
Youtube Category:
Education  Search this
See more by:
SmithsonianNMAI
YouTube Channel:
SmithsonianNMAI
Data Source:
National Museum of the American Indian
EDAN-URL:
edanmdm:yt_aoSdg9qNgLo

Luming Duan, "Space-Time crystal and dynamical quantum phase transitions with trapped ions"

Creator:
Smithsonian Astrophysical Observatory  Search this
Type:
Youtube videos
Uploaded:
2013-10-17T15:47:57Z
Topic:
Astronomy  Search this
Youtube Category:
Science & Technology  Search this
See more by:
ITAMPhysics
YouTube Channel:
ITAMPhysics
Data Source:
Smithsonian Astrophysical Observatory
EDAN-URL:
edanmdm:yt_N9UshhFMwPc

Education and Training Across the Digital Curation Spectrum with Dr. Margaret Hedstrom

Creator:
Smithsonian Libraries  Search this
Type:
Youtube videos
Uploaded:
2017-08-09T15:52:13Z
Topic:
Library science  Search this
Youtube Category:
Education  Search this
See more by:
SmithsonianLibraries
YouTube Channel:
SmithsonianLibraries
Data Source:
Smithsonian Libraries
EDAN-URL:
edanmdm:yt_rYAUSVQJwqg

Design on the Front Lines | Episode 11

Creator:
Cooper Hewitt, Smithsonian Design Museum  Search this
Type:
Youtube videos
Uploaded:
2020-07-27T17:42:05Z
Topic:
Design  Search this
Youtube Category:
Education  Search this
See more by:
cooperhewitt
YouTube Channel:
cooperhewitt
Data Source:
Cooper Hewitt, Smithsonian Design Museum
EDAN-URL:
edanmdm:yt_qA2ICW0g9kg

Flight Jacket Night with Al Worden

Creator:
National Air and Space Museum  Search this
Type:
Youtube videos
Uploaded:
2019-11-18T17:57:09Z
Topic:
Aeronautics;Flight;Space Sciences  Search this
Youtube Category:
Education  Search this
See more by:
airandspace
YouTube Channel:
airandspace
Data Source:
National Air and Space Museum
EDAN-URL:
edanmdm:yt_dVgIzrbeTtQ

Michigan's Big House

Creator:
Smithsonian Channel  Search this
Type:
Youtube videos
Uploaded:
2012-12-03T00:00:31Z
Youtube Category:
Entertainment  Search this
See more by:
smithsonianchannel
YouTube Channel:
smithsonianchannel
Data Source:
Smithsonian Channel
EDAN-URL:
edanmdm:yt_P6V_sYJl3Os

University of Michigan

Collection Creator::
Smithsonian Institution. International Exchange Service  Search this
Container:
Box 14 of 37
Type:
Archival materials
Collection Citation:
Smithsonian Institution Archives, Record Unit 509, Smithsonian Institution, International Exchange Service, Records
See more items in:
Records
Records / Box 14
Archival Repository:
Smithsonian Institution Archives
EDAN-URL:
ead_component:sova-sia-faru0509-refidd1e10560

University of Michigan Library

Collection Creator::
Smithsonian Institution. International Exchange Service  Search this
Container:
Box 20 of 37
Type:
Archival materials
Collection Citation:
Smithsonian Institution Archives, Record Unit 509, Smithsonian Institution, International Exchange Service, Records
See more items in:
Records
Records / Box 20
Archival Repository:
Smithsonian Institution Archives
EDAN-URL:
ead_component:sova-sia-faru0509-refidd1e14285

University of Michigan Library

Collection Creator::
Smithsonian Institution. International Exchange Service  Search this
Container:
Box 2 of 3
Type:
Archival materials
Collection Citation:
Smithsonian Institution Archives, Accession 99-038, Smithsonian Institution, International Exchange Service, Records
See more items in:
Records
Records / Box 2
Archival Repository:
Smithsonian Institution Archives
EDAN-URL:
ead_component:sova-sia-fa99-038-refidd1e2725

University of Michigan (3 folders)

Collection Creator::
Smithsonian Institution. International Exchange Service  Search this
Container:
Box 2 of 3
Type:
Archival materials
Collection Citation:
Smithsonian Institution Archives, Accession 99-038, Smithsonian Institution, International Exchange Service, Records
See more items in:
Records
Records / Box 2
Archival Repository:
Smithsonian Institution Archives
EDAN-URL:
ead_component:sova-sia-fa99-038-refidd1e2736

Michael P. Church papers

Creator:
Church, Michael P., 1907-1991 (Michael Paul)  Search this
Names:
United States. Federal Civil Works Administration  Search this
University of Michigan. Extension Service  Search this
University of Wisconsin  Search this
Black, Joe  Search this
Bradshaw, Glenn Raymond, 1922-  Search this
Conrad, Rupert, 1907-1979  Search this
Gee, Ronald C.  Search this
Kachadoorian, Zubel, 1924-  Search this
Lee, James  Search this
Levitt, Edward  Search this
Longman, Lester Duncan, 1905-1987  Search this
Sawyer, Phil  Search this
Yaeger, Edgar L., 1904-  Search this
Extent:
0.6 Linear feet
Culture:
Art in universities and colleges  Search this
Artists--Michigan  Search this
Type:
Collection descriptions
Archival materials
Photographs
Slides
Date:
1934-1984
Summary:
The papers of art educator and administrator Michael P. Church measure 0.6 linear feet and date from 1934 to 1984. The collection includes biographical material, letters, notes and writings, printed material, and photographs.
Scope and Contents:
The papers of art educator and administrator Michael P. Church measure 0.6 linear feet and date from 1934 to 1984. The collection includes biographical material, letters, notes and writings, printed material, and photographs.

Letters include material from Michigan artists and other colleagues.

Notes and writings contains resumes and minutes of meetings on adult and extension education as well as typescripts of "The Role of the University of Wisconsin in the Development of State-Wide Cultural Arts" by Ronald C. Gee, "Cultural Activities Programs" and "Criteria in Criticism of Contemporary Art" (1959) by Lester D. Longman and a script for the television program THE OPEN MIND: "The State of Culture in the United States Today" (1962).

Printed material includes clippings (1953-1984), exhibition announcements and catalogs (1960-1980), three press releases (1965-1976), newsletters (1956-1974), primarily from the University of Michigan Extension Service and three booklets (1955-1968).

Photographs contains nine photographs (1934-1973) with Church, Joe Back (1973), Glenn R. Bradshaw, Zubel Kachadoorian (1964), James Lee, Edward Levitt and Edgar Yaeger, Phil Sawyer working on a CWA project at the Textile High School (1934), an unidentified mural, and a slide of Rupert Conrad.
Arrangement:
Due to the small size of this collection the papers are arranged as one series.
Biographical / Historical:
Michael P. Church (1907-1991) was an arts administrator in Ann Arbor, Michigan.

A native of Michigan, Michael P. Church studied at Wicker Art School, Cranbrook Academy of Art, Wayne State University, the University of Michigan, and in the studios of Ralston Crawford, Philip Guston, and Nicholas Marcicano. For over 30 years he was the Director of Cultural Activities for the Extension Service of the University of Michigan where he also served on the faculty in the College of Architecture and Design. He also served on the staff of the National Music Camp, Interlochen, Michigan, and was on the Board of the Michigan Council for the Arts under four governors.
Related Materials:
Michael P. Church papers are also located at the Clarke Historical Library at Central Michigan University and at the Bentley Historical Library at the University of Michigan.
Provenance:
The Michael P. Church papers were donated to the Archives of American Art by Michael P. Church in 1976 and 1981.
Restrictions:
Use of original papers requires an appointment and is limited to the Archives' Washington, D.C., Research Center.
Topic:
Adult education  Search this
Art -- Study and teaching  Search this
Art in education  Search this
Art teachers -- Michigan -- Ann Arbor  Search this
Arts administrators--Michigan  Search this
Genre/Form:
Photographs
Slides
Citation:
Michael P. Church papers, 1934-1984. Archives of American Art, Smithsonian Institution.
Identifier:
AAA.churmich
See more items in:
Michael P. Church papers
Archival Repository:
Archives of American Art
EDAN-URL:
ead_collection:sova-aaa-churmich

Vistas and Dreams 6: Philip J. Deloria

Creator:
National Museum of the American Indian  Search this
Type:
Youtube videos
Uploaded:
2016-12-14T19:21:39Z
Topic:
Native Americans;American Indians  Search this
Youtube Category:
Education  Search this
See more by:
SmithsonianNMAI
YouTube Channel:
SmithsonianNMAI
Data Source:
National Museum of the American Indian
EDAN-URL:
edanmdm:yt_Ijwk9ZrboF0

Being Noka (Bear Clan): Lessons of Cultural and Linguistic Translation

Creator:
National Museum of the American Indian  Search this
Type:
Youtube videos
Uploaded:
2016-06-07T15:32:37Z
Topic:
Native Americans;American Indians  Search this
Youtube Category:
Education  Search this
See more by:
SmithsonianNMAI
YouTube Channel:
SmithsonianNMAI
Data Source:
National Museum of the American Indian
EDAN-URL:
edanmdm:yt_xx-a-N7J7W8

General, Transportation

Series Creator:
Warshaw, Isadore, 1900-1969  Search this
Container:
Box SUPP 33, Folder 9
Type:
Archival materials
Text
Date:
1903-1944
Scope and Contents:
Trade literature, product brochures (air brakes), a couple of news clippings, fare tickets, one letter, and a tri-fold for the University of Michigan Transportation Library (1929).
Series Restrictions:
Collection is open for research. Some items may be restricted due to fragile condition.
Series 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.
Series Citation:
Warshaw Collection of Business Americana Subject Categories: Transportation, Archives Center, National Museum of American History, Smithsonian Institution
See more items in:
Warshaw Collection of Business Americana Subject Categories: Transportation
Warshaw Collection of Business Americana Subject Categories: Transportation / Business Records, Marketing Material, Trade Literature, and Other / 1: Transportation
Archival Repository:
Archives Center, National Museum of American History
EDAN-URL:
ead_component:sova-nmah-ac-0060-s01-01-transportation-ref15

Bureau of Industrial Relations, Graduate School of Business Administration, University of Michigan

Series Creator:
Warshaw, Isadore, 1900-1969  Search this
Container:
Box 1
Type:
Archival materials
Date:
1967
Series Restrictions:
Collection is open for research. Some items may be restricted due to fragile condition.
Series 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.
Series Citation:
Warshaw Collection of Business Americana Subject Category: Manpower, Archives Center, National Museum of American History, Smithsonian Institution
See more items in:
Warshaw Collection of Business Americana Subject Categories: Manpower
Warshaw Collection of Business Americana Subject Categories: Manpower / Corporate Documents and Training Materials / Other Organizations
Archival Repository:
Archives Center, National Museum of American History
EDAN-URL:
ead_component:sova-nmah-ac-0060-s01-01-manpower-ref538

Studies on Dishwashing

Series Creator:
Warshaw, Isadore, 1900-1969  Search this
Container:
Box 1, Folder 12
Type:
Archival materials
Date:
1949
Scope and Contents:
Published by National Sanitation Foundation, University of Michigan, Ann Arbor, Michigan
Series Restrictions:
Collection is open for research. Some items may be restricted due to fragile condition.
Series 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.
Series Citation:
Warshaw Collection of Business Americana, Archives Center, National Museum of American History, Smithsonian Institution
See more items in:
Warshaw Collection of Business Americana Subject Categories: Dishwashing Machines
Warshaw Collection of Business Americana Subject Categories: Dishwashing Machines / Business Records, Marketing Material, and Other / 2: Related Publications
Archival Repository:
Archives Center, National Museum of American History
EDAN-URL:
ead_component:sova-nmah-ac-0060-s01-01-dishwashing-ref528

Lloyd F. Rader Papers

Collector:
Work and Industry, Division of, NMAH, SI  Search this
Work and Industry, Division of, NMAH, SI  Search this
Creator:
Rader, Lloyd Forrest, 1902-1979  Search this
Donor:
Rader, Helen  Search this
Rader, Helen  Search this
Names:
American Society for Testing and Materials  Search this
American Society of Civil Engineers.  Search this
Polytechnic Institute of Brooklyn  Search this
University of Wisconsin--Madison  Search this
Extent:
1 Cubic foot (2 boxes)
Type:
Collection descriptions
Archival materials
Lecture notes
Resumes
Photographs
Books
Certificates
Clippings
Correspondence
Awards
Date:
1925 - 1980
Summary:
Lloyd F. Rader was born in 1902 in Lincoln, Nebraska. He received his education from the University of Michigan at Ann Arbor, earning his bachelor, masters, and Ph. D in civil engineering. Rader taught at the University of Nebraska at Lincoln, the Polytechnic Institute of Brooklyn, New York and he served as a professor at the University of Wisconsin at Madison for 33 years. The collection includes material about Rader's professional career, honors and awards he received, and articles and textbooks authored or co-authored by Rader about asphalt, concrete, and urban planning.
Scope and Contents:
This collection contains materials related to Lloyd F. Rader's career in civil engineering, including resumes, correspondence, photographs, lecture notes, research papers, honorary memberships in various societies, award certificates, newsletters, clippings, reprints of journal articles written by Rader, periodicals, and books on construction and paving materials.
Arrangement:
This collection is arranged into three series.

Series 1: Biographical, 1954-1980

Series 2: Honors and Awards, 1938-1979

Series 3: Articles and Textbooks, 1925-1979
Biographical / Historical:
Lloyd Forrest Rader was born in Lincoln, Nebraska on October 8, 1902. Rader earned his bachelor degree in 1924, his master's degree in 1925,and his Ph. D. degree in civil engineering in 1938, all from the University of Michigan at Ann Arbor. He also attended the United States Naval Academy for three years, from 1919 to 1922. Rader worked as a civil engineer for the Pennsylvania State Highway Department and the Nebraska State Highway Department. In 1925, he began teaching as a civil engineering instructor at the University of Nebraska at Lincoln. From 1928-1937, Rader served as an Assistant Professor of Civil Engeering at the Polytechnic Institute of Brooklyn, New York and from 1937 to 1940 he served as an Associate Professor. While at the Polytechnic Institute, Rader developed a testing laboratory for highway materials and for soil mechanics and taught undergraduate and graduate coursework. In 1940, Rader joined the staff of the University of Wisconsin at Madison serving as Professor of Civil Engineering in charge of the Division of Highway Engineering and City Planning. During World War II, Rader served as an officer in the Civil Engineering Corps and Sea Bees of the the Navy on active duty for over four years, reaching the rank of Commander.

While at the University of Wisconsin, Rader served on a variety of committees including the Campus Planning Committee and the University Civil Defense Committee. He was also an active member in the Madison, Wisconsn community, serving as the chairman of the Madison Traffic Commission, the chairman of the Madison Civil Defense Commission, the president of the University West End Club and the Madison Technical Club. Rader also was involved in professional engineering societies, including the Association of Asphalt Paving Technologists, the American Society for Testing and Materials, and the American Society of Civil Engineers.

Rader retired from the University of Wisconsin in 1973. He received numerous awards and honors, including the Prevost Hubbard Award from the American Society for Testing and Materials on June 28, 1974. At the age of 77, Rader died on December 23, 1979.
Provenance:
Donated by Helen Rader to the National Museum of American History's Division of Civil and Mechanical Engineering in 1982.
Restrictions:
Collection open for research on site by appointment. Unprotected photographs must be handled with gloves.
Rights:
Collection items available for reproduction, but the Archives Center makes no guarantees concerning copyright restrictions. Other intellectural property rights may apply. Archives Center cost-recovery and use fees may apply when requesting reproductions.
Topic:
City planning  Search this
Pavements  Search this
Asphalt  Search this
Civil engineers  Search this
Concrete -- 1920-1960  Search this
Periodicals  Search this
Civil engineering  Search this
Roads  Search this
Urban planning and environment  Search this
Genre/Form:
Lecture notes
Resumes
Photographs -- 20th century
Books -- 20th century
Books
Certificates
Clippings -- 20th century
Certificates -- 20th century
Correspondence -- 20th century
Awards
Citation:
Lloyd F. Rader Papers, 1925-1980, Archives Center, National Museum of American History.
Identifier:
NMAH.AC.0952
See more items in:
Lloyd F. Rader Papers
Archival Repository:
Archives Center, National Museum of American History
EDAN-URL:
ead_collection:sova-nmah-ac-0952

Harold Lyons Atomic Clocks Collection

Author:
Lyons, Harold, Dr., 1913-1998  Search this
Donor:
Lyons, Sherrie  Search this
Extent:
2 Cubic feet (6 boxes)
Type:
Collection descriptions
Archival materials
Laboratory notebooks
Photographs
Diagrams
Correspondence
Technical notes
Articles
Patents
Date:
1935 - 1991
Summary:
Harold Lyons was a physicist whose primary interest was in atomic frequency standards and atomic clocks. The collection documents Lyons and his work with atomic clocks. The collection includes his research as manifested in published papers, presentations, reports, correspondence, laboratory notes, photographs and diagrams.
Scope and Contents:
The Harold Lyons Papers, 1935-1991, show his professional interests, especially his research from the 1950s, as manifested in published papers, presentations, reports, correspondence, laboratory results, and photographs. The bulk of the collection consists of papers and presentations of Lyons and others in the atomic physics field. Most of Lyons's work and the materials he collected address different aspects of microwave frequency.

Formats represented in the collection include published articles, typewritten and handwritten manuscripts, typewritten and handwritten personal correspondence, memorandums, photographs, diagrams, laboratory results, pamphlets, and newspaper clippings. The collection is arranged into five series.

Series 1, Biographical Information, 1955-1965; 1973, contains copies of Lyons's curriculum vitae (circa 1955, 1962, and 1971) and his entries in Who's Who in America and Who's Who in The West. This series also has two folders with materials relating to two honors he received, the Franklin Institute Certificate of Merit, in 1958, and the U.S. Department of Commerce's 25th Commemorative Award in 1973.

Series 2, Papers and Presentations, 1947-1962; 1973-1974, contains the journal articles and papers authored by Lyons and the conference and special presentations he gave during his career, most of which address research for aspects of the atomic clock. Included are papers he authored published in the Journal of Applied Physics, American Scholar, Scientific American, and Annals of the New York Academy of Sciences and presentations given at the National Bureau of Standards for the anniversary of the atomic clock.

Series 3, Correspondence, 1949-1991, contains general correspondence for the years 1949-1966, 1978, 1987, and 1991, as well as correspondence with the following individuals: Dirk Brouwer, Paul Forman, Polykarp Kusch, Koichi Shimoda, Wilbert F. Snyder, Charles H. Townes, and Jerrold R. Zacharias. The bulk of this series is incoming correspondence addressed to Lyons, although he did retain some copies of outgoing correspondence.

Series 4, Research, 1947-1958; 1970-1991, contains laboratory results for deuterated ammonia (via strip chart recordings) and general cesium atomic beam experiments through calibration of magnetic fields, calculation of c-fields in the magnetic chamber, and atomic beam measurements. It also contains brief information on other research interests, such as the International Scientific Radio Union, and scattered promotional materials for natural health and electrical products. In addition, this series contains a copy of the patent granted to Lyons and Benjamin F. Husten in 1955 for the atomic clock and photographs and diagrams relating to Lyons's work on the atomic clock. Included are black and white photographs of Lyons and his colleagues with views of the clock as well as diagrams and charts included in published and unpublished work and presentations. Most of the photographs and diagrams are undated and unlabeled.

Series 5, Collected Background Research Materials, 1935-1982, contains papers and presentation materials focused on atomic physics, including papers published in journals, memoranda, technical reports, conference programs, and conference proceedings. One folder in this series has materials relating to the promotion of the atomic clock through pamphlets, speeches, papers, and one oversize item of reproduced newspaper clippings. A folder relating to a university course of lectures, most likely authored by Polykarp Kusch of Columbia University, on molecular beams is also included in this series. In addition, this series contains copies of two patents, one granted to Friedrich H. Reder in 1960 for molecular resonance devices, and the other, an Australian patent, applied for in 1958, for an invention dealing with a frequency selective method and system.
Arrangement:
The collection is organized into five series.

Series 1, Biographical Information, 1955-1965; 1973

Series 2, Papers and Presentations, 1947-1962; 1973-1974

Subseries 1, Publications, 1947-1948; 1950-1953; 1957; 1959-1960; 1962; undated

Subseries 2, Presentations, 1946-1958; 1973-1974

Series 3, Correspondence, 1949-1991

Series 4, Research, 1947-1958; 1970-1991

Subseries 1, Laboratory Findings, 1952-1954; undated

Subseries 2, Other Research Interests, 1947-1957; 1970-1991

Subseries 3, Photographs and Diagrams, 1957; undated

Series 5, Collected Background Research Materials, 1935-1982
Biographical / Historical:
Harold Lyons was born February 16, 1913 in Buffalo, New York, and attended the University of Buffalo, graduating summa cum laude with a B.S. in Physics in 1933. After obtaining a Ph.D. in Nuclear Physics from the University of Michigan in 1939, he worked at the Naval Research Laboratories for two years and then joined the National Bureau of Standards (NBS) in 1941. In 1944, he was appointed chief of the Microwave Standards Section of an Interservice Radio Propagation Laboratory (IRPL) established at the NBS during World War II. He continued in that position after the war when the IRPL, in 1946, was reconstituted as the Central Radio Propagation Laboratory (CRPL).

Lyons's work on microwave frequency standards led directly to his interest in atomic frequency standards and atomic clocks. On his initiative a substantial program of research and development was pursued in the Microwave Standards Section from 1948-1951. There under his direction the first operative atomic clock, based on the absorption of microwaves of ammonia, was constructed in 1948 and announced in early 1949.

Lyons remained with the CRPL after it was moved to Boulder, Colorado, in 1954, but left a year later to work in Hughes Aircraft Company's Culver City, California, research labs. Here he continued his atomic physics research, particularly applications for the atomic clock, including satellite technology, and expanding to development work in lasers. He continued his work on lasers at Electro-Optical Systems Quantum Physics Division from 1960-1962. In the late 1960s and during the 1970s, he was an independent physics consultant and conducted research through an association with the University of California, Los Angeles.

Harold Lyons died March 23, 1998 in Los Angeles, California.
Related Materials:
Materials in the Archives Center

National Company (NATCO) Atomic Clocks Records, 1955-1968 (AC0547), contains related archival materials, principally on the development of the first commercial atomic clock, the Atomichron.

Materials in the National Museum of American History

The Division of Work and Industry, formerly the Division of Information, Technology and Communication, holds the first operative atomic clock, constructed under Lyons's direction at the National Bureau of Standards in 1948.
Provenance:
The collection was donated by Harold Lyons's daughter, Sherrie L. Lyons, in January, 2000.
Restrictions:
The collection is open for research use.
Rights:
Collection items available for reproduction, but the Archives Center makes no guarantees concerning intellectual property rights. Archives Center cost-recovery and use fees may apply when requesting reproductions.
Topic:
Atomic frequency standards  Search this
Atomic clocks  Search this
Time -- Systems and standards  Search this
Physics  Search this
Atomic absorption spectroscopy  Search this
Genre/Form:
Laboratory notebooks
Photographs -- Black-and-white photoprints -- Silver gelatin -- 1950-1960
Diagrams
Correspondence -- 1940-2000
Technical notes
Articles -- 20th century
Patents
Citation:
Harold Lyons Atomic Clocks Collection, Archives Center, National Museum of American History, Smithsonian Institution.
Identifier:
NMAH.AC.0701
See more items in:
Harold Lyons Atomic Clocks Collection
Archival Repository:
Archives Center, National Museum of American History
EDAN-URL:
ead_collection:sova-nmah-ac-0701
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