An interesting element of Marconi research is examining Welsh language newspapers of the early 20th century.

This Welsh article of April 1914 from 'Y Llan', reveals the developing terminology.

A 'wireless' in English was in Welsh termed a 'pellebyr digyfrwng' (loosely, a ' medium-less far sender'), with an added clarifying term of 'diwifr' (without wires).

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