Telegraph sounder
id:
telegraph-sounder-323-14604592
title:
Telegraph sounder
text:
A telegraph sounder is an antique electromechanical device used as a receiver on electrical telegraph lines during the 19th century. It was invented by Alfred Vail after 1850 to replace the previous receiving device, the cumbersome Morse register and was the first practical application of the electromagnet. When a telegraph message comes in it produces an audible "clicking" sound representing the short and long keypresses – "dots" and "dashes" – which are used to represent text characters in Mor
brand slug:
wiki
category slug:
encyclopedia
description:
Form of telegraph receiver which converted incoming electrical signals into sounds
original url:
https://en.wikipedia.org/wiki/Telegraph_sounder
date created:
date modified:
2022-04-28T20:50:42Z
main entity:
{"identifier":"Q7696262","url":"https://www.wikidata.org/entity/Q7696262"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/3/31/Telegraph_Sounder.JPG","width":3456,"height":2304}
fields total:
13
integrity:
15