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31st October 1929: In a London club run by St Phalle Ltd, members watch fluctuations in the New York stock market during the Wall Street crash as changes are chalked up by telephone operators in direct contact with New York. (Photo by London Express/Getty Images)

31st October 1929:  In a London club run by St Phalle Ltd, members watch fluctuations in the New York stock market during the Wall Street crash as changes are chalked up by telephone operators in direct contact with New York.  (Photo by London Express/Getty Images)