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view telegraph artificial line digital asset number 1

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

view code selector switch digital asset number 1

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

view code selector switch digital asset number 1

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

view Freir polar relay digital asset number 1

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

view Foote Pierson type 1-D combination wheatstone relay digital asset number 1

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

view type 1-F combination wheatstone relay digital asset number 1

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

view secret sounder headphone digital asset number 1

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

view polar relay digital asset number 1

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

view Bunnell / Clockey model 91 direct writer digital asset number 1

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

view Wirshing patent telegraph ticker digital asset number 1

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

view Wirshing patent telegraph ticker digital asset number 1

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

view Western Union Stock Ticker digital asset number 1

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

view United Telegram Stock Ticker digital asset number 1

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

view Phelps / Gold & Stock Co. self winding ticker digital asset number 1

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

view Pott's machine telegraph testing transmitter digital asset number 1

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

view Creed polar relay digital asset number 1

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

view Cooper repeater system digital asset number 1

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

view Rowland telegraph line balancer digital asset number 1

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

view Rowland telegraph line balancer digital asset number 1

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

view Specimen of underwater telegraph cable digital asset number 1

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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Result pages are truncated to 500.