The New Encyclopędia BritannicaEncyclopędia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 177
... surface seepage of crude oil , and for many years such seepages were the only reliable indicators of the presence of oil . As demand grew , however , new methods were devised for exploring the petroleum potential of underground rock ...
... surface seepage of crude oil , and for many years such seepages were the only reliable indicators of the presence of oil . As demand grew , however , new methods were devised for exploring the petroleum potential of underground rock ...
Page 305
... surface of the printing plate or cylinder . The entire surface is covered with ink , and by means of a doctoring , or wiping , operation , excess ink is removed from the surface , leaving only that which is retained in the image areas ...
... surface of the printing plate or cylinder . The entire surface is covered with ink , and by means of a doctoring , or wiping , operation , excess ink is removed from the surface , leaving only that which is retained in the image areas ...
Page 1081
... surface of the plate using a gelatin or soft rubber roller . For surface rolling , regular artist oil colours can be used . The use of stencils allows a great number of colours to be printed with a single run on the press . This is done ...
... surface of the plate using a gelatin or soft rubber roller . For surface rolling , regular artist oil colours can be used . The use of stencils allows a great number of colours to be printed with a single run on the press . This is done ...
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activity America animals appear areas atoms became become body called camera century changes characteristics chemical Church colour common complete compounds consists containing continued drugs early effect electrons elements energy example existence experience Family field Figure fins fishes groups human important increase individual industry Italy known later lens less light liquid living lower major material means ment methods move movement natural North object occur organic original Peking Pentecostal percent period permafrost personality pest Peter petroleum Philip philosophy photographs plants political position possible practice present printing problems production Quakers range region result rocks similar social South species structure surface temperature theory tion United usually widely