Unspecified / ca 1845
Telegraph Register
The Smithsonian catalogs Telegraph Register as telegraph receiver in its Communication, telegraph records.
Electromagnetic Demonstration Apparatus, electromagnetic telegraph ("rapping machine") used by Thomas Davenport. At one end of a brown wooden base is a clock work drive, in the center is a horse-shoe electromagnet, and at the end is the support for the armature. The base has 2 connecting terminals.
A CLOSER LOOK
The Smithsonian lists the object under Communication, telegraph and dates it ca 1845.
Electromagnetic Demonstration Apparatus, electromagnetic telegraph ("rapping machine") used by Thomas Davenport. At one end of a brown wooden base is a clock work drive, in the center is a horse-shoe electromagnet, and at the end is the support for the armature. The base has 2 connecting terminals.
FOLLOW THE EVIDENCE
Smithsonian InstitutionTelegraph RegisterOriginal explanation based on the sources above. Images carry their own reuse terms.