Caption

French early 19th century optical telegraph, semaphore telegraph, type 1806 for conveying textual information by using pivoted indicator arms

Date

Dec 04, 2023

Credit line

Photo12/imageBROKER/alimdi / Arterra / Philippe Clément

Reference

BRK24G11_203

Model release

No

Property release

No

License type

Rights managed

Available size

55,7Mb (3,4Mb) / 12,0in x 18,0in / 3606 x 5401 (300dpi)

Keywords

deserted no one No People nobody uninhabited empty technology technologies telecommunication telecommunication arm arms information information early french technical tech optic optical type types genus kind species technology technology Telegraph Telegraphs telecommunications 19th century nineteenth century 1900s 19th-century