Title

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

Caption

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

Date

Feb 15, 2019

Credit line

Photo12/imageBROKER/BAO

Reference

BRK19E01_146

Model release

No

License type

Rights managed

Available size

50,0Mb (1,8Mb) / 18,3in x 10,6in / 5479 x 3192 (300dpi)

Keywords

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