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Catalog Data

Inventor:
Morse, Samuel Finley Breese  Search this
Morse, Samuel Finley Breese  Search this
Physical Description:
wood (housing material)
iron wire (conductors material)
brass (parts material)
Measurements:
relay: 7 in x 11 1/4 in x 4 1/2 in; 17.78 cm x 28.575 cm x 11.43 cm
register: 8 in x 17 1/2 in x 4 in; 20.32 cm x 44.45 cm x 10.16 cm
tape reel: 9 1/4 in x 10 in x 1 1/4 in; 23.495 cm x 25.4 cm x 3.175 cm
coil disks (each): 1/8 in x 12 1/2 in; .3175 cm x 31.75 cm
key on base: 2 in x 2 3/4 in x 10 in; 5.08 cm x 6.985 cm x 25.4 cm
Object Name:
telegraph apparatus
telegraph relay
telegraph receiver
Description:
This telegraph receiver is associated with United States patent 4,453 granted April 11th, 1846 to Samuel Morse. The patent covered the use of a magnet in the telegraph receiver to amplify current from the battery and magnet connected to the main telegraph line. This enabled the telegraph to receive messages over longer lines. The patent also specified a combination of apparatuses to move and mark a paper roll in order to record the incoming message.
Location:
Currently not on view
ID Number:
EM.251265
Catalog number:
251265
Accession number:
48865
Patent number:
4453
See more items in:
Work and Industry: Electricity
Communications
American Stories exhibit
Invention and the Patent Model
Patent Models
Data Source:
National Museum of American History
GUID:
http://n2t.net/ark:/65665/ng49ca746ab-53bb-704b-e053-15f76fa0b4fa
EDAN-URL:
edanmdm:nmah_706503