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Associated user:

unknown  Search this

Associated institution:

Columbia University  Search this

University of Michigan  Search this

Associated person:

Townes, Charles H.  Search this

Maker:

Townes, Charles H.  Search this

Measurements:

overall: 4 1/4 in x 12 3/4 in x 1 3/4 in; 10.795 cm x 32.385 cm x 4.445 cm

fittings (each): 2 in x 1 3/4 in; 5.08 cm x 4.445 cm

Object Name:

Maser, Section of

maser component

Other Terms:

Maser; Components; Radio and Television; Radio and Television

Date made:

1954

Credit Line:

from Charles H. Townes and Columbia University

ID Number:

EM.323898

Catalog number:

323898

Accession number:

260038

See more items in:

Work and Industry: Electricity

Data Source:

National Museum of American History

GUID:

http://n2t.net/ark:/65665/ng49ca746a5-599b-704b-e053-15f76fa0b4fa

EDAN-URL:

edanmdm:nmah_713068

Creator:

Smithsonian Institution Archives  Search this

Type:

YouTube Videos

Uploaded:

2021-08-31T12:36:13.000Z

YouTube Category:

Education  Search this

Topic:

Museum administration  Search this

See more by:

SIArchives

Data Source:

Smithsonian Institution Archives

YouTube Channel:

SIArchives

EDAN-URL:

edanmdm:yt_jnS1qjpmUyA

Biogeographical Region:

40 - Indian subcontinent  Search this

Collector:

R. Maser  Search this

Min. Elevation:

3400  Search this

Place:

Phulung Ghyang, Gossainkunde., Nepal, Asia-Tropical

Collection Date:

30 May 1967

Taxonomy:

Plantae Monocotyledonae Poales Juncaceae

Published Name:

Juncus sp.

Barcode:

04103337

USNM Number:

2530518

See more items in:

Botany

Flowering plants and ferns

Data Source:

NMNH - Botany Dept.

GUID:

http://n2t.net/ark:/65665/352fdb4c0-e8ad-4a1a-a80f-c5ebe6b2365a

EDAN-URL:

edanmdm:nmnhbotany_16751313

Manufacturer:

Smithsonian Astrophysical Observatory  Search this

Materials:

Aluminum, Steel, Stainless Steel, Foam, Nylon, Phenolic Resin, Gold Plating, Paper, Glass, Epoxy, Rubber (Silicone), Synthetic Fabric, Plastic, Adhesive, Cadmium Plating

Dimensions:

Storage (Rehoused on Aluminum Pallet with one other object): 121.9 × 121.9 × 121.9cm, 106.1kg (48 × 48 × 48 in., 234lb.)

Type:

INSTRUMENTS-Scientific

Country of Origin:

United States of America

Credit Line:

Transferred from the Smithsonian Astrophysical Obervatory

Inventory Number:

A19790136000

Restrictions & Rights:

Usage conditions apply

See more items in:

National Air and Space Museum Collection

Data Source:

National Air and Space Museum

GUID:

http://n2t.net/ark:/65665/nv982a597d4-8e28-40c8-8858-3c2f8490cc84

EDAN-URL:

edanmdm:nasm_A19790136000

Manufacturer:

Microwave Electronics, Teledyne Inc.  Search this

Materials:

Acrylic (Plexiglas), Aluminum, Cadmium Plating, Copper, Steel, Brass, Phenolic Resin, Plastic, Nylon, Foam

Dimensions:

Storage (Rehoused on Aluminum Pallet with two other objects): 121.9 × 121.9 × 71.1cm, 132.5kg (48 × 48 × 28 in., 292lb.)

Type:

INSTRUMENTS-Scientific

Country of Origin:

United States of America

Credit Line:

Gift of the Massachusetts Institute of Technology

Inventory Number:

A19790168000

Restrictions & Rights:

Usage conditions apply

See more items in:

National Air and Space Museum Collection

Data Source:

National Air and Space Museum

GUID:

http://n2t.net/ark:/65665/nv95a092508-29d6-4728-a261-659b0931288f

EDAN-URL:

edanmdm:nasm_A19790168000

Associated user:

unknown  Search this

Associated institution:

Columbia University  Search this

Associated person:

Townes, Charles H.  Search this

Maker:

Townes, Charles H.  Search this

Measurements:

overall: 4 1/2 in x 1 in x 1 7/8 in; 11.43 cm x 2.54 cm x 4.7625 cm

Object Name:

Maser, Ammonia Beam, Part of

maser component

Date made:

1954

Subject:

Laser  Search this

Credit Line:

from Charles H. Townes and Columbia University

ID Number:

EM.323891

Catalog number:

323891

Accession number:

260038

260038

See more items in:

Work and Industry: Electricity

Data Source:

National Museum of American History

GUID:

http://n2t.net/ark:/65665/ng49ca746a5-5d61-704b-e053-15f76fa0b4fa

EDAN-URL:

edanmdm:nmah_713092

Author:

Jones, S. C.  Search this

Houde, M.  Search this

Harwit, M.  Search this

Kidger, M.  Search this

Kraus, A.  Search this

MCoey, C.  Search this

Marston, A.  Search this

Melnick, G.  Search this

Menten, K. M.  Search this

Morris, P.  Search this

Teyssier, D.  Search this

Tolls, V.  Search this

Object Type:

Smithsonian staff publication

Year:

2014

Citation:

Jones, S. C., Houde, M., Harwit, M., Kidger, M., Kraus, A., MCoey, C., Marston, A., Melnick, G., Menten, K. M., Morris, P., Teyssier, D., and Tolls, V. 2014. "Polarisation observations of H2O JK-1 K1 = 532 - 441 620.701 GHz maser emission with Herschel/HIFI in Orion KL." Astronomy and Astrophysics, 567 31. https://doi.org/10.1051/0004-6361/201323267.

Identifier:

127662

DOI:

https://doi.org/10.1051/0004-6361/201323267

ISSN:

0004-6361

Data source:

Smithsonian Libraries and Archives

EDAN-URL:

edanmdm:slasro_127662

Maker:

Townes, Charles H.  Search this

Physical Description:

wood (part material)

marble (part material)

plastic (part material)

ceramic (part material)

brass (part material)

glass (part material)

Measurements:

overall: 10 1/4 in x 10 1/4 in x 4 1/2 in; 26.035 cm x 26.035 cm x 11.43 cm

Object Name:

Maser, Part of

maser component

Date made:

1954

Associated date:

1953

Credit Line:

from Charles H. Townes and Columbia University

ID Number:

EM.323893

Catalog number:

323893

Accession number:

260038

See more items in:

Work and Industry: Electricity

Energy & Power

Lasers

Science & Mathematics

Data Source:

National Museum of American History

GUID:

http://n2t.net/ark:/65665/ng49ca746a5-53bc-704b-e053-15f76fa0b4fa

EDAN-URL:

edanmdm:nmah_712778

Edited by:

Unidentified  Search this

Written by:

Phillis Wheatley Peters, American, ca. 1753 - 1784  Search this

Published by:

James Dodsley, English, 1724 - 1797  Search this

Medium:

ink on paper with leather and cardboard

Dimensions:

H x W x D: 8 1/4 × 5 1/2 × 1 9/16 in. (21 × 14 × 4 cm)

Type:

hardcover books

Place printed:

London, England, Europe

Date:

1773

Topic:

African American  Search this

Literature  Search this

Poetry  Search this

Slavery  Search this

Women  Search this

Credit Line:

Collection of the Smithsonian National Museum of African American History and Culture

Object number:

A2021.113.1.1

Restrictions & Rights:

Public domain

Proper usage is the responsibility of the user.

See more items in:

National Museum of African American History and Culture Collection

Collection title:

Phillis Wheatley Peters Collection

Classification:

Documents and Published Materials-Published Works

Movement:

Anti-slavery movements

Abolitionist movement

Data Source:

National Museum of African American History and Culture

GUID:

http://n2t.net/ark:/65665/fd50425d2f7-b60f-4396-a797-15582ac98789

EDAN-URL:

edanmdm:nmaahc_A2021.113.1.1

Collection Creator:

American Telephone and Telegraph Company  Search this

National Museum of American History (U.S.). Division of Information, Technology and Society  Search this

Extent:

1 Motion picture film (16mm color composite optical track print, 1,000 ft.)

Container:

Reel OF 684.16

Type:

Archival materials

Moving Images

Motion picture films

Date:

circa 1962?

Scope and Contents:

Bell Telephone Laboratories technical demonstration, includes illustrated simulations. With Dr. C.G.B. Garrett.

Collection Restrictions:

Collection is open for research.

Researchers must view videotape copies.

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:

AT&T/Bell Film Collection, 1942-1978, Archives Center, National Museum of American History.

See more items in:

AT&T/Bell Film Collection

AT&T/Bell Film Collection / Series 2: Scientific/Educational Films

Archival Repository:

Archives Center, National Museum of American History

GUID:

https://n2t.net/ark:/65665/ep872406b92-a799-4cee-8c32-7d0496748f85

EDAN-URL:

ead_component:sova-nmah-ac-0684-ref531

Collection Creator:

Forman, Paul  Search this

Container:

Box 11, Folder 7

Type:

Archival materials

Date:

1964-1969

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:

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

See more items in:

Atomic Clocks Reference Collection

Atomic Clocks Reference Collection / Series 1: Subject Files

Archival Repository:

Archives Center, National Museum of American History

GUID:

https://n2t.net/ark:/65665/ep843f5491c-eb6a-437f-9987-adc0d5e40718

EDAN-URL:

ead_component:sova-nmah-ac-1265-ref705

Biogeographical Region:

40 - Indian subcontinent  Search this

Collector:

R. Maser  Search this

Min. Elevation:

550  Search this

Place:

4 miles SE of Trisuli Bazar., Nepal, Asia-Tropical

Collection Date:

4 Apr 1967

Taxonomy:

Plantae Monocotyledonae Poales Poaceae Chloridoideae

Published Name:

Cynodon dactylon (L.) Pers.

Barcode:

04187621

USNM Number:

2571924

See more items in:

Botany

Flowering plants and ferns

Data Source:

NMNH - Botany Dept.

GUID:

http://n2t.net/ark:/65665/303a74938-0af7-4656-8c82-2fc161f800e3

EDAN-URL:

edanmdm:nmnhbotany_16264769

Biogeographical Region:

40 - Indian Subcontinent  Search this

Collector:

R. Maser  Search this

Place:

4 miles SE of Trisuli Bazar, Nepal, Asia-Tropical

Collection Date:

4 Apr 1967

Taxonomy:

Plantae Dicotyledonae Malvales Malvaceae

Published Name:

Sida cordata (Burm. f.) Borss. Waalk.

Barcode:

01300729

USNM Number:

2571819

See more items in:

Botany

Flowering plants and ferns

Data Source:

NMNH - Botany Dept.

GUID:

http://n2t.net/ark:/65665/3021a64ef-6262-434f-b72a-5b5e39bf15eb

EDAN-URL:

edanmdm:nmnhbotany_11742285

Biogeographical Region:

40 - Indian Subcontinent  Search this

Collector:

R. Maser  Search this

Min. Elevation:

3500  Search this

Place:

Phulung Ghyan, Gossainkunde, Rasuwa, Nepal, Asia-Tropical

Collection Date:

4 Jun 1967

Taxonomy:

Plantae Dicotyledonae Malpighiales Euphorbiaceae

Published Name:

Euphorbia stracheyi Boiss.

Barcode:

01337878

USNM Number:

2530512

See more items in:

Botany

Flowering plants and ferns

Data Source:

NMNH - Botany Dept.

GUID:

http://n2t.net/ark:/65665/3c6c4c496-9dd4-44fa-8d9d-2bade21dea4a

EDAN-URL:

edanmdm:nmnhbotany_12253572

Biogeographical Region:

40 - Indian Subcontinent  Search this

Collector:

R. Maser  Search this

Min. Elevation:

3400  Search this

Place:

Phulung Ghyang, Gossainkunde, Nepal, Asia-Tropical

Collection Date:

27 May 1967

Taxonomy:

Plantae Dicotyledonae Malpighiales Euphorbiaceae

Published Name:

Euphorbia wallichii

Barcode:

01337959

USNM Number:

2530487

See more items in:

Botany

Flowering plants and ferns

Data Source:

NMNH - Botany Dept.

GUID:

http://n2t.net/ark:/65665/31da6ca29-3770-4c31-87f6-a29db4bf3bb5

EDAN-URL:

edanmdm:nmnhbotany_12260396

Type:

Archival materials

Date:

Sept. 1865–Mar. 1867

Collection Restrictions:

Freedmen's Bureau Digital Collection, 1865–1872, is a product of and owned by the National Museum of African American History and Culture, Smithsonian Institution. Copyright for digital images is retained by the donor, FamilySearch International; permission for commercial use of the digital images may be requested from FamilySearch International, Intellectual Property Office, at: cor-intellectualproperty@ldschurch.org.

Collection Citation:

Courtesy of the U. S. National Archives and Records Administration, FamilySearch International, and the Smithsonian National Museum of African American History and Culture.

Identifier:

NMAAHC.FB.M821, Subseries 1.1

See more items in:

Records of the Assistant Commissioner for the State of Texas Bureau of Refugees, Freedmen, and Abandoned Lands, 1865–1869

Records of the Assistant Commissioner for the State of Texas Bureau of Refugees, Freedmen, and Abandoned Lands, 1865–1869 / Series 1: Letters Sent

Archival Repository:

National Museum of African American History and Culture

GUID:

https://n2t.net/ark:/65665/io32fbe9e7e-fd39-449d-b1c5-6b59bbc67d6d

EDAN-URL:

ead_component:sova-nmaahc-fb-m821-ref2

Type:

Archival materials

Date:

1866–67

Collection Restrictions:

Freedmen's Bureau Digital Collection, 1865–1872, is a product of and owned by the National Museum of African American History and Culture, Smithsonian Institution. Copyright for digital images is retained by the donor, FamilySearch International; permission for commercial use of the digital images may be requested from FamilySearch International, Intellectual Property Office, at: cor-intellectualproperty@ldschurch.org.

Collection Citation:

Courtesy of the U. S. National Archives and Records Administration, FamilySearch International, and the Smithsonian National Museum of African American History and Culture.

Identifier:

NMAAHC.FB.M821, Item 4.1.1.3

See more items in:

Records of the Assistant Commissioner for the State of Texas Bureau of Refugees, Freedmen, and Abandoned Lands, 1865–1869

Records of the Assistant Commissioner for the State of Texas Bureau of Refugees, Freedmen, and Abandoned Lands, 1865–1869 / Series 4: Letters Received / 4.1: Registered Letters Received / 4.1.1: Entered in Register 1

Archival Repository:

National Museum of African American History and Culture

GUID:

https://n2t.net/ark:/65665/io325653f0e-2e20-4ed1-883a-3ad4f5f933fc

EDAN-URL:

ead_component:sova-nmaahc-fb-m821-ref41

Collection Creator:

Jet Propulsion Laboratory. University of California.  Search this

Container:

Box 5, Folder 9

Type:

Archival materials

Date:

15 June 1961

Collection Restrictions:

No restrictions on access

Collection Citation:

Jet Propulsion Laboratory Publications Collection, Acc. XXXX.0612, National Air and Space Museum, Smithsonian Institution.

See more items in:

Jet Propulsion Laboratory Publications Collection

Jet Propulsion Laboratory Publications Collection / Series 6: 32- Prefix Publications: Technical Reports (TR)

Archival Repository:

National Air and Space Museum Archives

GUID:

https://n2t.net/ark:/65665/pg21cc04f52-efcf-4ac3-b5a6-98be22112e43

EDAN-URL:

ead_component:sova-nasm-xxxx-0612-ref114

Collection Creator:

Jet Propulsion Laboratory. University of California.  Search this

Container:

Box 6, Folder 23

Type:

Archival materials

Date:

15 November 1961

Collection Restrictions:

No restrictions on access

Collection Citation:

Jet Propulsion Laboratory Publications Collection, Acc. XXXX.0612, National Air and Space Museum, Smithsonian Institution.

See more items in:

Jet Propulsion Laboratory Publications Collection

Jet Propulsion Laboratory Publications Collection / Series 6: 32- Prefix Publications: Technical Reports (TR)

Archival Repository:

National Air and Space Museum Archives

GUID:

https://n2t.net/ark:/65665/pg2a05146e7-014d-4323-92ea-c1cf6ee9ff2d

EDAN-URL:

ead_component:sova-nasm-xxxx-0612-ref145

Collection Creator:

Jet Propulsion Laboratory. University of California.  Search this

Container:

Box 10, Folder 16

Type:

Archival materials

Date:

June 1963

Collection Restrictions:

No restrictions on access

Collection Citation:

Jet Propulsion Laboratory Publications Collection, Acc. XXXX.0612, National Air and Space Museum, Smithsonian Institution.

See more items in:

Jet Propulsion Laboratory Publications Collection

Jet Propulsion Laboratory Publications Collection / Series 6: 32- Prefix Publications: Technical Reports (TR)

Archival Repository:

National Air and Space Museum Archives

GUID:

https://n2t.net/ark:/65665/pg23df3ba19-6a72-454d-8864-f1cbac12d178

EDAN-URL:

ead_component:sova-nasm-xxxx-0612-ref254