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telegraph artificial line

Maker:
Western Union Corporation  Search this
Measurements:
overall: 7 1/2 in x 12 1/2 in x 9 1/2 in; 19.05 cm x 31.75 cm x 24.13 cm
Object Name:
Artificialÿline
Credit Line:
from Western Union Corporation
ID Number:
EM.332312
Accession number:
294351
294351
Catalog number:
332312
See more items in:
Work and Industry: Electricity
Data Source:
National Museum of American History
GUID:
http://n2t.net/ark:/65665/ng49ca746a7-2763-704b-e053-15f76fa0b4fa
EDAN-URL:
edanmdm:nmah_891380

code selector switch

Maker:
Western Union Corporation  Search this
Measurements:
overall: 4 in x 4 in x 6 in; 10.16 cm x 10.16 cm x 15.24 cm
Object Name:
Switch, Codeÿselector
telegraph switch
Credit Line:
from Western Union Corporation
ID Number:
EM.332319
Accession number:
294351
294351
294351
Catalog number:
332319
See more items in:
Work and Industry: Electricity
Data Source:
National Museum of American History
GUID:
http://n2t.net/ark:/65665/ng49ca746a7-276a-704b-e053-15f76fa0b4fa
EDAN-URL:
edanmdm:nmah_891387

code selector switch

Maker:
Western Union Corporation  Search this
Measurements:
overall: 4 in x 4 in x 6 in; 10.16 cm x 10.16 cm x 15.24 cm
Object Name:
Switch, Codeÿselector
telegraph switch
Credit Line:
from Western Union Corporation
ID Number:
EM.332320
Accession number:
294351
294351
Catalog number:
332320
See more items in:
Work and Industry: Electricity
Data Source:
National Museum of American History
GUID:
http://n2t.net/ark:/65665/ng49ca746a7-28af-704b-e053-15f76fa0b4fa
EDAN-URL:
edanmdm:nmah_891388

Freir polar relay

Maker:
Western Union Corporation  Search this
Measurements:
overall: 5 in x 9 in x 4 in; 12.7 cm x 22.86 cm x 10.16 cm
Object Name:
relay
polar relay
telegraph relay
Credit Line:
from Western Union Corporation
ID Number:
EM.332184
Collector/donor number:
100-877
Accession number:
294351
Catalog number:
332184
See more items in:
Work and Industry: Electricity
Communications
Data Source:
National Museum of American History
GUID:
http://n2t.net/ark:/65665/ng49ca746a7-1191-704b-e053-15f76fa0b4fa
EDAN-URL:
edanmdm:nmah_891284

Foote Pierson type 1-D combination wheatstone relay

Maker:
Western Union Corporation  Search this
Maker:
Foote, Pierson & Co.  Search this
Object Name:
relay
combination Wheatstone relay
telegraph relay
Date made:
ca 1916
Credit Line:
from Western Union Corporation
ID Number:
EM.332200
Model number:
1-D
Serial number:
15943
Accession number:
294351
Catalog number:
332200
See more items in:
Work and Industry: Electricity
Communications
Data Source:
National Museum of American History
GUID:
http://n2t.net/ark:/65665/ng49ca746a7-1640-704b-e053-15f76fa0b4fa
EDAN-URL:
edanmdm:nmah_891298

type 1-F combination wheatstone relay

Maker:
Western Union Corporation  Search this
Measurements:
overall: 5 1/2 in x 5 1/4 in; 13.97 cm x 13.335 cm
Object Name:
relay
combination Wheatstone relay
telegraph relay
Credit Line:
from Western Union Corporation
ID Number:
EM.332202
Serial number:
829
Model number:
1-F
Accession number:
294351
Catalog number:
332202
See more items in:
Work and Industry: Electricity
Communications
Data Source:
National Museum of American History
GUID:
http://n2t.net/ark:/65665/ng49ca746a7-1642-704b-e053-15f76fa0b4fa
EDAN-URL:
edanmdm:nmah_891300

secret sounder headphone

Maker:
Western Union Corporation  Search this
Measurements:
speaker only: 1 3/8 in x 2 1/2 in; 3.4925 cm x 6.35 cm
Object Name:
Sounder, Secret
sounder,
telegraph receiver
headphone
headset
Credit Line:
from Western Union Corporation
ID Number:
EM.332271
Accession number:
294351
294351
Catalog number:
332271
See more items in:
Work and Industry: Electricity
Data Source:
National Museum of American History
GUID:
http://n2t.net/ark:/65665/ng49ca746a7-0e3e-704b-e053-15f76fa0b4fa
EDAN-URL:
edanmdm:nmah_891349

polar relay

Maker:
Western Union Corporation  Search this
Measurements:
overall: 5 1/2 in x 8 7/8 in x 7/8 in; 13.97 cm x 22.5425 cm x 2.2225 cm
Object Name:
polar relay
relay
polar relay
telegraph relay
Credit Line:
from Western Union Corporation
ID Number:
EM.332273
Serial number:
28957
Accession number:
294351
Catalog number:
332273
See more items in:
Work and Industry: Electricity
Communications
Data Source:
National Museum of American History
GUID:
http://n2t.net/ark:/65665/ng49ca746a7-0e3f-704b-e053-15f76fa0b4fa
EDAN-URL:
edanmdm:nmah_891350

Bunnell / Clockey model 91 direct writer

Maker:
Western Union Corporation  Search this
Maker:
J. H. Bunnell & Co.  Search this
Measurements:
overall: 7 7/8 in x 10 3/4 in x 6 1/4 in; 20.0025 cm x 27.305 cm x 15.875 cm
Object Name:
Directÿwriter
telegraph receiver
Place made:
United States: New York, New York City
Credit Line:
from Western Union Corporation
ID Number:
EM.332280
Accession number:
294351
294351
294351
Collector/donor number:
100-551
Catalog number:
332280
See more items in:
Work and Industry: Electricity
Data Source:
National Museum of American History
GUID:
http://n2t.net/ark:/65665/ng49ca746a7-0f7f-704b-e053-15f76fa0b4fa
EDAN-URL:
edanmdm:nmah_891355

Wirshing patent telegraph ticker

Maker:
Western Union Corporation  Search this
Measurements:
overall: 4 3/8 in x 7 3/4 in x 4 3/8 in; 11.1125 cm x 19.685 cm x 11.1125 cm
Object Name:
Ticker
telegraph receiver
telegraph ticker
telegraph ticker receiver
Date made:
ca 1885
Credit Line:
from Western Union Corporation
ID Number:
EM.332281
Accession number:
294351
294351
Collector/donor number:
100-779
Catalog number:
332281
See more items in:
Work and Industry: Electricity
Data Source:
National Museum of American History
GUID:
http://n2t.net/ark:/65665/ng49ca746a7-0f80-704b-e053-15f76fa0b4fa
EDAN-URL:
edanmdm:nmah_891356

Wirshing patent telegraph ticker

Maker:
Western Union Corporation  Search this
Measurements:
overall: 4 3/8 in x 7 3/4 in x 4 3/8 in; 11.1125 cm x 19.685 cm x 11.1125 cm
Object Name:
Ticker
telegraph receiver
telegraph ticker
telegraph ticker receiver
Date made:
ca 1885
Credit Line:
from Western Union Corporation
ID Number:
EM.332282
Accession number:
294351
294351
Collector/donor number:
100-780
Catalog number:
332282
See more items in:
Work and Industry: Electricity
Data Source:
National Museum of American History
GUID:
http://n2t.net/ark:/65665/ng49ca746a7-0f81-704b-e053-15f76fa0b4fa
EDAN-URL:
edanmdm:nmah_891357

Western Union Stock Ticker

Maker:
Western Union Corporation  Search this
Measurements:
overall: 5 in x 8 5/8 in; 12.7 cm x 21.9075 cm
Object Name:
Ticker-Receiver
telegraph receiver
telegraph ticker
telegraph ticker receiver
Credit Line:
from Western Union Corporation
ID Number:
EM.332284
Accession number:
294351
294351
Collector/donor number:
100-774
Catalog number:
332284
See more items in:
Work and Industry: Electricity
Data Source:
National Museum of American History
GUID:
http://n2t.net/ark:/65665/ng49ca746a7-0f82-704b-e053-15f76fa0b4fa
EDAN-URL:
edanmdm:nmah_891358

United Telegram Stock Ticker

Maker:
Western Union Corporation  Search this
Measurements:
overall: 8 in x 9 1/2 in; 20.32 cm x 24.13 cm
Object Name:
Ticker
telegraph receiver
telegraph ticker
telegraph ticker receiver
Credit Line:
from Western Union Corporation
ID Number:
EM.332285
Accession number:
294351
294351
Collector/donor number:
100-777
Catalog number:
332285
See more items in:
Work and Industry: Electricity
Data Source:
National Museum of American History
GUID:
http://n2t.net/ark:/65665/ng49ca746a7-0f83-704b-e053-15f76fa0b4fa
EDAN-URL:
edanmdm:nmah_891359

Phelps / Gold & Stock Co. self winding ticker

Maker:
Gold and Stock Telegraph Company  Search this
Measurements:
overall: 9 in x 13 3/4 in x 11 1/2 in; 22.86 cm x 34.925 cm x 29.21 cm
Object Name:
Ticker, Phelps
telegraph receiver
telegraph ticker
telegraph ticker receiver
Credit Line:
from Western Union Corporation
ID Number:
EM.332286
Accession number:
294351
294351
294351
Catalog number:
332286
See more items in:
Work and Industry: Electricity
Data Source:
National Museum of American History
GUID:
http://n2t.net/ark:/65665/ng49ca746ac-8a31-704b-e053-15f76fa0b4fa
EDAN-URL:
edanmdm:nmah_891360

Pott's machine telegraph testing transmitter

Maker:
Western Union Corporation  Search this
Measurements:
overall: 9 in x 14 3/4 in x 8 1/4 in; 22.86 cm x 37.465 cm x 20.955 cm
Object Name:
Transmitter, Automatic
telegraph transmitter
Credit Line:
from Western Union Corporation
ID Number:
EM.332133
Accession number:
294351
294351
Collector/donor number:
35-10
Catalog number:
332133
See more items in:
Work and Industry: Electricity
Data Source:
National Museum of American History
GUID:
http://n2t.net/ark:/65665/ng49ca746a7-1cd9-704b-e053-15f76fa0b4fa
EDAN-URL:
edanmdm:nmah_891244

Creed polar relay

Maker:
Creed & Co., Ltd.  Search this
Measurements:
overall: 5 1/2 in x 6 in x 3 in; 13.97 cm x 15.24 cm x 7.62 cm
Object Name:
polar relay
relay
telegraph relay
Credit Line:
from Western Union Corporation
ID Number:
EM.332135
Patent number:
172717
Collector/donor number:
100-891
Accession number:
294351
Serial number:
321
Catalog number:
332135
See more items in:
Work and Industry: Electricity
Communications
Data Source:
National Museum of American History
GUID:
http://n2t.net/ark:/65665/ng49ca746a7-1e08-704b-e053-15f76fa0b4fa
EDAN-URL:
edanmdm:nmah_891246

Cooper repeater system

Maker:
Western Union Corporation  Search this
Maker:
Jester-Cooper Co.  Search this
Measurements:
overall: 4 3/4 in x 8 1/2 in x 3 1/2 in; 12.065 cm x 21.59 cm x 8.89 cm
Object Name:
repeater relay
relay
telegraph relay
Date made:
ca 1915
Credit Line:
from Western Union Corporation
ID Number:
EM.332137
Collector/donor number:
100-844
Accession number:
294351
Catalog number:
332137
See more items in:
Work and Industry: Electricity
Communications
Data Source:
National Museum of American History
GUID:
http://n2t.net/ark:/65665/ng49ca746a7-1e0a-704b-e053-15f76fa0b4fa
EDAN-URL:
edanmdm:nmah_891248

Rowland telegraph line balancer

Maker:
Rowland Telegraph Company  Search this
Maker:
Western Union Corporation  Search this
Measurements:
overall: 7 in x 11 in x 7 in; 17.78 cm x 27.94 cm x 17.78 cm
Object Name:
Line Balancer
Place made:
United States: Maryland, Baltimore
Date made:
ca 1890
Credit Line:
from Western Union Corporation
ID Number:
EM.332020
Accession number:
294351
Collector/donor number:
45-03
Catalog number:
332020
See more items in:
Work and Industry: Electricity
Data Source:
National Museum of American History
GUID:
http://n2t.net/ark:/65665/ng49ca746a7-0d92-704b-e053-15f76fa0b4fa
EDAN-URL:
edanmdm:nmah_891162

Rowland telegraph line balancer

Maker:
Rowland Telegraph Company  Search this
Maker:
Western Union Corporation  Search this
Measurements:
overall: 5 1/2 in x 11 1/2 in x 7 in; 13.97 cm x 29.21 cm x 17.78 cm
Object Name:
Line Balancer
line balancer
Place made:
United States: Maryland, Baltimore
Date made:
ca 1890
Credit Line:
from Western Union Corporation
ID Number:
EM.332021
Accession number:
294351
Collector/donor number:
100-595
45-04
Catalog number:
332021
See more items in:
Work and Industry: Electricity
Data Source:
National Museum of American History
GUID:
http://n2t.net/ark:/65665/ng49ca746a7-0d93-704b-e053-15f76fa0b4fa
EDAN-URL:
edanmdm:nmah_891163

Specimen of underwater telegraph cable

Maker:
Western Union Corporation  Search this
Measurements:
overall: 8 in x 1/2 in; 20.32 cm x 1.27 cm
Object Name:
Cable
cable sample
Date made:
1865
Credit Line:
from Western Union Corporation
ID Number:
EM.332053
Accession number:
294351
294351
Catalog number:
332053
See more items in:
Work and Industry: Electricity
Data Source:
National Museum of American History
GUID:
http://n2t.net/ark:/65665/ng49ca746a7-3188-704b-e053-15f76fa0b4fa
EDAN-URL:
edanmdm:nmah_891190

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