Last week the daily press of the U. S. gave extensive publicity to: "MECHANIC BROKE, GIVEN $1,500,000 FOR SECRET. COPPER-HARDENING PROCESS, LOST FOR 2,000 YEARS, BOUGHT BY DETROIT FIRM." An often-found lost art was again discovered by "an obscure mechanic, of little scientific knowledge," who lives in East St. Louis.
Said an official of the Copper Research Association: "I feel uneasy and lonely unless I receive at least once a month another news story about the discovery of the 'Lost Art of Hardening Copper.' I keep these stories tacked above my desk and seldom lack fresh copy. But since copper can already...
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