The New Encyclopædia BritannicaEncyclopædia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 522
... metal- lization , electroplating , painting and decorating , mold decoration , and inserts . Mechanical machining . Most plastic articles do not require machining except for the removal of sprues ( small projections ) on injection ...
... metal- lization , electroplating , painting and decorating , mold decoration , and inserts . Mechanical machining . Most plastic articles do not require machining except for the removal of sprues ( small projections ) on injection ...
Page 1069
... metal against the shell while it is fixed against the inside wall of a rapidly spinning drum . Making electrotype plates , especially in a curved shape , is a costly process , but they produce the best quality print . An impression made ...
... metal against the shell while it is fixed against the inside wall of a rapidly spinning drum . Making electrotype plates , especially in a curved shape , is a costly process , but they produce the best quality print . An impression made ...
Page 1071
... metal drums refrigerated by circulating water . Offset rotaries work at a speed of 15,000 to 20,000 revolutions per hour and have the same cutting and fold- ing systems as letterpress rotaries . Preparing the plates used in offset ...
... metal drums refrigerated by circulating water . Offset rotaries work at a speed of 15,000 to 20,000 revolutions per hour and have the same cutting and fold- ing systems as letterpress rotaries . Preparing the plates used in offset ...
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