The Encyclopedia Americana, Volume 7Grolier, 1995 - Encyclopedias and dictionaries |
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Page 492
... operation and several others were on order . The COLOSSI were special - purpose vacuum- tube machines containing a single tape that car- ried the input data . To analyze these data , vari- ous preset patterns were compared to them . The ...
... operation and several others were on order . The COLOSSI were special - purpose vacuum- tube machines containing a single tape that car- ried the input data . To analyze these data , vari- ous preset patterns were compared to them . The ...
Page 760
... operation of many products does not require heating the copper during the operation . Heating , if re- quired , would seriously discolor the product . Also , copper would tend to oxidize when heated , and would be seriously embrittled ...
... operation of many products does not require heating the copper during the operation . Heating , if re- quired , would seriously discolor the product . Also , copper would tend to oxidize when heated , and would be seriously embrittled ...
Page 761
... operations are performed . This operation , called concentration , consists of crush- ing , grinding , classification ( sizing ) , flotation , and drying of the ore . The usual concentration of copper in the resulting product after this ...
... operations are performed . This operation , called concentration , consists of crush- ing , grinding , classification ( sizing ) , flotation , and drying of the ore . The usual concentration of copper in the resulting product after this ...
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