Talk:Alan Archibald Campbell-Swinton

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Tourists visitors to Edinburgh will be pleased to note that there is a plaque on a building at the east end of Queen St (Albyn Place), Edinburgh (near Charlotte SQ) to Archibald Campbell Swinton to commemorate the time he lived there. —Preceding unsigned comment added by 81.157.153.142 (talk) 16:43, 17 December 2007 (UTC)[reply]

Two Historical Notes

One of first all-electronic video camera tubes was invented in France by Edvard-Gustav Schoultz in 1921. He filed the French patent FR-539-613 on August 23, 1921. The patent was accepted on April 5, 1922, and published on June 28, 1922. You can find a copy of the original document in the web page [[1]]

The Image Dissector was also invented in Germany by Max Diekmann and Rudolf Hell in 1925. They filed the German patent DE-450-187 on April 5, 1925. The patent was accepted on September 15, 1927, and published on October 3, 1927. You can find a copy of the original document in the web page [[2]]

--134.153.204.160 (talk) 16:20, 24 July 2009 (UTC)[reply]