Kleinschmidt keyboard perforator
id:
kleinschmidt-keyboard-perforator-316-8934026
title:
Kleinschmidt keyboard perforator
text:
The Kleinschmidt keyboard perforator is a telegraph instrument invented by Edward Kleinschmidt which prepares punched tape for telegraph transmission. A QWERTY keyboard operate hole punches that prepare a Wheatstone slip. Each Morse code of the dots and dashes for the letter is selected by projecting tongues on the key bar. The centre holes used for the paper feed are punched first, then the lower holes, and then the upper holes. The upper holes are the mark holes, which indicate when the symbol
brand slug:
wiki
category slug:
encyclopedia
description:
original url:
https://en.wikipedia.org/wiki/Kleinschmidt_keyboard_perforator
date created:
date modified:
2024-02-29T00:50:27Z
main entity:
{"identifier":"Q55616089","url":"https://www.wikidata.org/entity/Q55616089"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/c/c7/Kleinschmidt-tape-perforator-34648.jpg","width":728,"height":552}
fields total:
13
integrity:
14