Tag: CQD

This Day, That Year – January 7

William Purvis received a patent for a fountain pen on this day in 1890. Did you know that: • A typewriter was patented by Englishman Henry Mill on this day in 1714• The Marconi International Marine Communication Company established “CQD” as the first international radio distress signal on this day in 1904• A patent was […]

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