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No Image Available

"Aristocrat" type 24A screen grid tetrode

Measurements:
overall: 5 in x 1 3/4 in; 12.7 cm x 4.445 cm
Object Name:
tetrode
vacuum tube
Other Terms:
Electron Tube; Electron Tubes
Date made:
ca 1932
Credit Line:
from Franklin Wingard
ID Number:
EM.321065
Catalog number:
321065
Accession number:
241556
See more items in:
Work and Industry: Electricity
Data Source:
National Museum of American History
GUID:
http://n2t.net/ark:/65665/ng49ca746a5-35a8-704b-e053-15f76fa0b4fa
EDAN-URL:
edanmdm:nmah_703538
No Image Available

"NT31" vacuum tube on wall mount

Measurements:
overall: 83.8 cm x 20.3 cm x 16.5 cm; 33 in x 8 in x 6 1/2 in
Object Name:
vacuum tube
Credit Line:
from Calvin Pitt
ID Number:
2004.0273.02
Accession number:
2004.0273
Catalog number:
2004.0273.02
See more items in:
Work and Industry: Electricity
Data Source:
National Museum of American History
GUID:
http://n2t.net/ark:/65665/ng49ca746ab-d5df-704b-e053-15f76fa0b4fa
EDAN-URL:
edanmdm:nmah_1295605
No Image Available

"NT4SA" vacuum tube on wall mount

Measurements:
overall: 40.5 cm x 16.5 cm x 15.8 cm; 15 15/16 in x 6 1/2 in x 6 1/4 in
Object Name:
vacuum tube
Credit Line:
from Calvin Pitt
ID Number:
2004.0273.01
Accession number:
2004.0273
Catalog number:
2004.0273.01
See more items in:
Work and Industry: Electricity
Data Source:
National Museum of American History
GUID:
http://n2t.net/ark:/65665/ng49ca746ab-d516-704b-e053-15f76fa0b4fa
EDAN-URL:
edanmdm:nmah_1295604
No Image Available

"RCA Radiotron" type 247 vacuum pentode

Maker:
Radio Corporation of America  Search this
Measurements:
overall: 5 3/8 in x 2 1/8 in; 13.6525 cm x 5.3975 cm
Object Name:
pentode
vacuum tube
Other Terms:
Electron Tube; Electron Tubes
Credit Line:
from Franklin Wingard
ID Number:
EM.322977
Catalog number:
322977
Accession number:
241556
See more items in:
Work and Industry: Electricity
Data Source:
National Museum of American History
GUID:
http://n2t.net/ark:/65665/ng49ca746b3-5fe3-704b-e053-15f76fa0b4fa
EDAN-URL:
edanmdm:nmah_703086
No Image Available

"Radiotron" type UV202 triode

Measurements:
overall: 5 in x 2 1/4 in; 12.7 cm x 5.715 cm
Object Name:
Electron Tube , Triode
triode
Other Terms:
Electron Tube , Triode; Electron Tubes
Date made:
ca 1923
Credit Line:
from Franklin Wingard
ID Number:
EM.320895
Catalog number:
320895
Accession number:
241556
See more items in:
Work and Industry: Electricity
Data Source:
National Museum of American History
GUID:
http://n2t.net/ark:/65665/ng49ca746a5-2587-704b-e053-15f76fa0b4fa
EDAN-URL:
edanmdm:nmah_703666
No Image Available

"Radiotron" type UV202 triode

Measurements:
overall: 5 in x 2 1/4 in; 12.7 cm x 5.715 cm
Object Name:
Electron Tube, Triode
triode
Other Terms:
Electron Tube, Triode; Electron Tubes
Date made:
ca 1923
Credit Line:
from Franklin Wingard
ID Number:
EM.320893
Catalog number:
320893
Accession number:
241556
See more items in:
Work and Industry: Electricity
Data Source:
National Museum of American History
GUID:
http://n2t.net/ark:/65665/ng49ca746a5-2b76-704b-e053-15f76fa0b4fa
EDAN-URL:
edanmdm:nmah_703733
No Image Available

"Rectron" UX216B rectifier

Measurements:
overall: 5 1/2 in x 2 in; 13.97 cm x 5.08 cm
Object Name:
Electron Tube, Diode
Rectifier
Other Terms:
Electron Tube, Diode; Electron Tubes
Date made:
ca 1926
Credit Line:
from Paul G. Watson
ID Number:
EM.324405
Catalog number:
324405
Accession number:
252994
See more items in:
Work and Industry: Electricity
Data Source:
National Museum of American History
GUID:
http://n2t.net/ark:/65665/ng49ca746a5-25e8-704b-e053-15f76fa0b4fa
EDAN-URL:
edanmdm:nmah_705088
No Image Available

"Silvertone" type 224A screen grid tetrode

Measurements:
overall: 5 in x 1 3/4 in; 12.7 cm x 4.445 cm
Object Name:
Electron Tube
vacuum tube
tetrode
Date made:
ca 1929
Credit Line:
from Donald J. Detwiler
ID Number:
EM.312359
Catalog number:
312359
Accession number:
163276
See more items in:
Work and Industry: Electricity
Data Source:
National Museum of American History
GUID:
http://n2t.net/ark:/65665/ng49ca746a5-1fde-704b-e053-15f76fa0b4fa
EDAN-URL:
edanmdm:nmah_701363
No Image Available

"Silvertone" type 235-22x vacuum tube

Maker:
Silvertone  Search this
Physical Description:
composition (overall material)
glass (overall material)
metal (overall material)
Measurements:
electron tube: 12 cm x 4 cm; 4 3/4 in x 1 9/16 in
overall4.75: 1 3/4 in; x 4.445 cm
Object Name:
Electron Tube
Other Terms:
Electron Tube; Electron Tubes
ID Number:
ZZ.RSN80552U36
See more items in:
Work and Industry: Electricity
Data Source:
National Museum of American History
GUID:
http://n2t.net/ark:/65665/ng49ca746a5-2d1f-704b-e053-15f76fa0b4fa
EDAN-URL:
edanmdm:nmah_706786
No Image Available

"Silvertone" type 247 vacuum pentode

Measurements:
overall: 5 3/8 in x 2 in; 13.6525 cm x 5.08 cm
Object Name:
Electron Tube
vacuum tube
pentode
Other Terms:
Electron Tube; Electron Tubes
Credit Line:
from the United States Bureau of Standards, Dept. of Commerce
ID Number:
EM.320206
Catalog number:
320206
Accession number:
188571
See more items in:
Work and Industry: Electricity
Data Source:
National Museum of American History
GUID:
http://n2t.net/ark:/65665/ng49ca746a5-29cd-704b-e053-15f76fa0b4fa
EDAN-URL:
edanmdm:nmah_710090
No Image Available

"Silvertone" type 247 vacuum pentode

Physical Description:
cardboard (box material)
Measurements:
box: 6 1/4 in x 2 3/4 in x 2 5/8 in; 15.875 cm x 6.985 cm x 6.6675 cm
tube: 5 1/4 in x 2 in; 13.335 cm x 5.08 cm
Object Name:
vacuum tube
Electron Tube
pentode
Other Terms:
Electron Tube; Electron Tubes
Credit Line:
from Susan Horle
ID Number:
EM.314012
Catalog number:
314012
Accession number:
195337
See more items in:
Work and Industry: Electricity
Data Source:
National Museum of American History
GUID:
http://n2t.net/ark:/65665/ng49ca746a5-1c5e-704b-e053-15f76fa0b4fa
EDAN-URL:
edanmdm:nmah_703266
view "Silvertone" type 280 vacuum tube digital asset number 1

"Silvertone" type 280 vacuum tube

Object Name:
vacuum tube
Electron Tube
Other Terms:
Electron Tube; Electron Tubes
Credit Line:
from Susan Horle
ID Number:
EM.314009
Catalog number:
314009
Accession number:
195337
See more items in:
Work and Industry: Electricity
Data Source:
National Museum of American History
GUID:
http://n2t.net/ark:/65665/ng49ca746a5-1f83-704b-e053-15f76fa0b4fa
EDAN-URL:
edanmdm:nmah_701998
Online Media:
No Image Available

"Silvertone" type 56-210 vacuum tube

Object Name:
Electron Tube
vacuum tube
Other Terms:
Electron Tube; Electron Tubes
Credit Line:
from Susan Horle
ID Number:
EM.314044
Catalog number:
314044
Accession number:
195337
See more items in:
Work and Industry: Electricity
Data Source:
National Museum of American History
GUID:
http://n2t.net/ark:/65665/ng49ca746a5-1f0a-704b-e053-15f76fa0b4fa
EDAN-URL:
edanmdm:nmah_702360
No Image Available

"Silvertone" type 56-29X vacuum tube

Object Name:
Electron Tube
vacuum tube
Other Terms:
Electron Tube; Electron Tubes
Credit Line:
from Susan Horle
ID Number:
EM.314043
Catalog number:
314043
Accession number:
195337
See more items in:
Work and Industry: Electricity
Data Source:
National Museum of American History
GUID:
http://n2t.net/ark:/65665/ng49ca746a5-1873-704b-e053-15f76fa0b4fa
EDAN-URL:
edanmdm:nmah_703085
No Image Available

"Silvertone" type 6-V-6-G vacuum tube

Physical Description:
composition (overall material)
glass (overall material)
metal (overall material)
Measurements:
electron tube: 11.7 cm x 4 cm; 4 5/8 in x 1 9/16 in
Object Name:
Electron Tube
Other Terms:
Electron Tube; Electron Tubes
ID Number:
ZZ.RSN80608U28
See more items in:
Work and Industry: Electricity
Data Source:
National Museum of American History
GUID:
http://n2t.net/ark:/65665/ng49ca746a5-2c0e-704b-e053-15f76fa0b4fa
EDAN-URL:
edanmdm:nmah_707412
No Image Available

"Sodion" type D-21 gas triode

Maker:
Connecticut Telephone & Electric Company  Search this
Measurements:
overall: 3 3/4 in x 1 1/4 in; 9.525 cm x 3.175 cm
Object Name:
triode
vacuum tube
Other Terms:
triode; Electron Tubes
Date made:
1924
Credit Line:
from Henry Wirth
ID Number:
EM.312382
Catalog number:
312382
Accession number:
163277
See more items in:
Work and Industry: Electricity
Data Source:
National Museum of American History
GUID:
http://n2t.net/ark:/65665/ng49ca746a5-20db-704b-e053-15f76fa0b4fa
EDAN-URL:
edanmdm:nmah_702155
No Image Available

"Songbird" type G11 detector and amplifier

Physical Description:
cardboard (box material)
Measurements:
tube: 3 1/2 in x 1 1/8 in; 8.89 cm x 2.8575 cm
box: 5 in x 2 1/4 in x 2 1/4 in; 12.7 cm x 5.715 cm x 5.715 cm
Object Name:
Electron Tube
vacuum tube
triode
Date made:
1929
Credit Line:
from Franklin Wingard
ID Number:
EM.323201
Catalog number:
323201
Accession number:
241556
See more items in:
Work and Industry: Electricity
Data Source:
National Museum of American History
GUID:
http://n2t.net/ark:/65665/ng49ca746a5-2f11-704b-e053-15f76fa0b4fa
EDAN-URL:
edanmdm:nmah_710108
No Image Available

"Songbird" type G11 detector and amplifier

Maker:
Song Bird  Search this
Physical Description:
cardboard (box material)
Measurements:
tube: 3 1/2 in x 1 1/8 in; 8.89 cm x 2.8575 cm
box: 5 in x 2 1/4 in x 2 1/4 in; 12.7 cm x 5.715 cm x 5.715 cm
Object Name:
Electron Tube
Radio tubr
Radio tube
vacuum tube
triode
Other Terms:
Electron Tube; Electron Tubes
Date made:
1929
Credit Line:
from Franklin Wingard
ID Number:
EM.323202
Catalog number:
323202
Accession number:
241556
See more items in:
Work and Industry: Electricity
Data Source:
National Museum of American History
GUID:
http://n2t.net/ark:/65665/ng49ca746a5-425c-704b-e053-15f76fa0b4fa
EDAN-URL:
edanmdm:nmah_710261
No Image Available

"Volutron" type A201 vacuum triode

Maker:
Munder Electrical Co.  Search this
Measurements:
overall: 4 1/2 in x 1 3/4 in; 11.43 cm x 4.445 cm
Object Name:
Electron Tube
vacuum tube
triode
Date made:
ca 1927
Credit Line:
from Franklin Wingard
ID Number:
EM.323254
Catalog number:
323254
Accession number:
241556
See more items in:
Work and Industry: Electricity
Data Source:
National Museum of American History
GUID:
http://n2t.net/ark:/65665/ng49ca746a5-3247-704b-e053-15f76fa0b4fa
EDAN-URL:
edanmdm:nmah_706803
No Image Available

(Brochures)

Collection Creator:
Clark, George Howard, 1881-1956  Search this
Container:
Box 191, Folder 4
Type:
Archival materials
Date:
1914-1947
Collection Restrictions:
Collection is open for research but a portion of the collection remains unprocessed and is stored off-site and special arrangements must be made to work with it. Contact the Archives Center for information at archivescenter@si.edu or 202-633-3270.

Gloves must be worn when handling unprotected photographs, negatives, and slides.
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:
George H. Clark Radioana Collection, Archives Center, National Museum of American History, Smithsonian Institution
See more items in:
George H. Clark Radioana Collection
George H. Clark Radioana Collection / Series 38: Vacuum Tube Type of Radio Transmitter
Archival Repository:
Archives Center, National Museum of American History
GUID:
https://n2t.net/ark:/65665/ep854faa2eb-ada4-4126-beb4-03090e9875cc
EDAN-URL:
ead_component:sova-nmah-ac-0055-ref1417

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