File:Morse learner's key and automatic sender (Rankin Kennedy, Electrical Installations, Vol V, 1903).jpg

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Description A Morse code training key. Apart from being a practice key, the central dial can also generate a short practice message, using notches in its rim. Dials could be swapped to give different messages.
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Source Scan from Kennedy, Rankin (1903 edition (five volumes) of pre-1903 four volume edition.) Electrical Installations, vol. V, London: Caxton
Author Andy Dingley (scanner)
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current14:51, 29 June 2010Thumbnail for version as of 14:51, 29 June 2010868 × 427 (54 KB)Andy Dingley (talk | contribs){{Scans from 'Rankin Kennedy, Electrical Installations', 1903 |volume=V |page= |figure= |title= |description= }} Category:Morse keys

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