Part of Morse's telegraph apparatus, US Patent # 4,453
- 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.
- Object Name
- telegraph apparatus
- telegraph relay
- telegraph receiver
- inventor
- Morse, Samuel Finley Breese
- Morse, Samuel Finley Breese
- 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
- ID Number
- EM*251265
- catalog number
- 251265
- accession number
- 48865
- patent number
- 4453
- subject
- Communications
- American Stories exhibit
- See more items in
- Work and Industry: Electricity
- American Stories exhibit
- Exhibition
- American Stories
- Data Source
- National Museum of American History, Kenneth E. Behring Center
- Additional Media
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