Telegraph Instrument
Public domain (CC0). Shown at web resolution; the full download is at the foot of this page.

Telegraph Instrument

TitleTelegraph Instrument
Dateca. 1837–44 19th century
MediumBrass
Holding institutionThe Metropolitan Museum of Art
Credit lineGift of George Hutchins, 1876
RightsPublic domain (CC0). Free to use for any purpose.

Subjects: Historical scientific diagrams

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