Skip to main content

Smithsonian

Explore Topics

Asian Pacific American History
Invention and Innovation

Donate

National Museum of American History

Visit
Explore
Collections
Education
Events
Support
About
Search

Breadcrumb

Collections
Search Collections

Search Collections

Search

Show only items with images

Show only items with no use restrictions

Filter

Topic Expand Children

SelectAssembly-line methods (1) Exclude Assembly-line methods
SelectAtomic absorption spectroscopy (1) Exclude Atomic absorption spectroscopy
SelectAtomic clocks (1) Exclude Atomic clocks
SelectAtomic frequency standards (1) Exclude Atomic frequency standards
SelectBombs (1) Exclude Bombs
SelectChronometers (1) Exclude Chronometers
SelectClocks and watches (1) Exclude Clocks and watches
SelectFactories (1) Exclude Factories
SelectFuses (1) Exclude Fuses
SelectHorology (1) Exclude Horology
SelectManufacturing processes (1) Exclude Manufacturing processes
SelectPhysics (1) Exclude Physics
SelectTime (1) Exclude Time
SelectWorld War, 1939-1945 (1) Exclude World War, 1939-1945

Object Type Expand Children

SelectArchival materials (5) Exclude Archival materials
SelectCollection descriptions (2) Exclude Collection descriptions
SelectPhotographs (2) Exclude Photographs
SelectAccount books (1) Exclude Account books
SelectAdvertising (1) Exclude Advertising
SelectAnnual reports (1) Exclude Annual reports
SelectArticles (1) Exclude Articles
SelectBlueprints (1) Exclude Blueprints
SelectBusiness records (1) Exclude Business records
SelectCorrespondence (1) Exclude Correspondence
SelectDiagrams (1) Exclude Diagrams
SelectLaboratory notebooks (1) Exclude Laboratory notebooks
SelectPatents (1) Exclude Patents
SelectPicture postcards (1) Exclude Picture postcards
SelectPrice lists (1) Exclude Price lists
SelectTechnical notes (1) Exclude Technical notes

Date Expand Children

Select1930s (1) Exclude 1930s
Select1940s (1) Exclude 1940s
Select1950s (1) Exclude 1950s
Select1960s (1) Exclude 1960s
Select1970s (1) Exclude 1970s
Select1980s (1) Exclude 1980s
Select1990s (1) Exclude 1990s

Set Name Expand Children

SelectHarold Lyons Atomic Clocks Collection (4) Exclude Harold Lyons Atomic Clocks Collection
SelectHarold Lyons Atomic Clocks Collection / Series 1: Biographical Information (1) Exclude Harold Lyons Atomic Clocks Collection / Series 1: Biographical Information
SelectHarold Lyons Atomic Clocks Collection / Series 2: Papers and Presentations / 2.1: Publications (1) Exclude Harold Lyons Atomic Clocks Collection / Series 2: Papers and Presentations / 2.1: Publications
SelectHarold Lyons Atomic Clocks Collection / Series 4: Research / 4.3: Photographs and Diagrams (1) Exclude Harold Lyons Atomic Clocks Collection / Series 4: Research / 4.3: Photographs and Diagrams
SelectJon and Jennifer Hanson Watch and Clock Collection (1) Exclude Jon and Jennifer Hanson Watch and Clock Collection

Media Type Expand Children

SelectFinding aids (2) Exclude Finding aids

Data Source Expand Children

SelectArchives Center, National Museum of American History (5) Exclude Archives Center, National Museum of American History

5 result(s) for "Harold Lyons Atomic Clocks Collection"

Search term: "Harold Lyons Atomic Clocks Collection" Media Type: Images Clear All

Archival Collection

Harold Lyons Atomic Clocks Collection

Author: Lyons, Harold, Dr., 1913-1998
Donor: Lyons, Sherrie

Identifier: NMAH.AC.0701

Archival Item

"Atomic Clocks"

Collection Author: Lyons, Harold, Dr., 1913-1998
Collection Donor: Lyons, Sherrie

Archival Item

U.S. Department of Commerce 25th Commemorative Award

Collection Author: Lyons, Harold, Dr., 1913-1998
Collection Donor: Lyons, Sherrie

Archival Item

Diagrams

Collection Author: Lyons, Harold, Dr., 1913-1998
Collection Donor: Lyons, Sherrie

Archival Collection

Jon and Jennifer Hanson Watch and Clock Collection

Identifier: NMAH.AC.1122

National Museum of American History

Facebook
Instagram
YouTube

Hours & Admission

Open every day, except December 25, from 10:00 a.m. to 5:30 p.m.

Admission is free and no tickets are required.

Location & Contact

1300 Constitution Ave NW,
Washington, DC 20560

Contact Information

Our mission is to empower people to create a just and compassionate future by exploring, preserving, and sharing the complexity of our past.

Sign Up For Our Newsletter Donate

Email powered by MailChimp
(Privacy Policy & Terms of Use)

Press Center Shop Museum Store Smithsonian Institution Privacy Terms of Use