One of his most important inventions was the AC power generator. The energy generated with alternating current made it possible to transport electricity over a longer distance with a much higher power than Thomas Edison’s conventional DC (direct current) power at the time – towards the end of the 19th Century. He was Nikola Tesla, a Serbian-American inventor, electrical engineer, mechanical engineer and physicist.
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A mint, never-hinged stamp pair issued by South-West Africa in 1936.
Below, five 1937 Edward VIII Coronation stamp pairs, South Africa.
2004 Football European Championship winners Greece commemorated by this set of four stamps.
From Manama 1971, stamp sheet featuring a self-portrait of the artist Modigliani and one of his seated nude paintings.
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I imagine postal authorities worldwide would be rather apprehensive nowadays to issue stamps on the subject of tobacco, unless they were using the medium to discourage people from smoking – as seen with the 2006 World Day Without Tobacco stamp below from Argentina.
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A new, annual National Stamp Celebration Day, held in association with The Philatelic Traders’ Society, is being launched this year to celebrate and promote philately. The celebration will be held today, the 4th of May, to commemorate the world’s first ever adhesive postage stamp, the Penny Black, which was issued on 1 May 1840 but officially used from 6 May.
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