Sujet

Telegraph key is a switching device used primarily to send Morse code

Légende

Telegraph key is a switching device used primarily to send Morse code, 1880, historical woodcut, Germany, Europe

Date

15 févr. 2019

Crédit

Photo12/imageBROKER/BAO

Notre référence

BRK19E01_146

Model release

Non

Licence

Droits gérés

Format disponible

50,0Mo (1,8Mo) / 46,4cm x 27,0cm / 5479 x 3192 (300dpi)

Mots clés

19th century German Federal Republic Germany Middle Europe Morse receiver No People Telegraph Telegraphs black and white black-and-white depictions historical history illustrated image motif monochromatic monochrome nineteenth century no one nobody technical woodcut woodcuts xylograph Central Europe depiction historic illustration illustrations morse technology telecommunications Europe telecommunication communication