Siemen's direct writing Morse inker Siemen's direct writing morse inker Siemen's direct writing morse inker Siemen's direct writing morse inker Siemens Morse inker, 1862

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Creative Commons LicenseThis image is released under a CC BY-NC-SA 4.0 Licence

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License this image for commercial use at Science and Society Picture Library

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Siemen's direct writing Morse inker
Science Museum Group
© The Board of Trustees of the Science Museum

Siemen's direct writing morse inker
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Siemen's direct writing morse inker
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Siemen's direct writing morse inker
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Siemen's direct writing Morse inker, made by Siemens Brothers and Company Limited, England, 1862.

Early telegraph recorders created embossed tape, which was difficult to read. This telegraph receiver marked the incoming messages on paper strips, known as slip, in ink, giving greater legibility. It was also more sensitive than earlier telegraph embossers. An electromagnet controlled a constantly-inked wheel, which, when a current was received, was pressed against the moving paper slip, thus marking a series of dots and dashes that formed the message.

Details

Category:
Telecommunications
Object Number:
1876-1291
Materials:
wood (unidentified), plastic (unidentified), glass, copper (alloy) and metal (unknown)
Measurements:
overall: 250 mm x 433 mm x 285 mm, 11.31 kg
type:
telegraph
credit:
Donated by HM Postmaster General