The New Encyclopædia Britannica in 30 Volumes: Macropædia : Knowledge in Depth. - 19 Bd, Volumes 1-19Encyclopædia Britannica, 1974 |
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Page 341
... material with a special processing procedure to produce positives in one stage . The process was initially used in office copying systems , and it is still in use in such systems . Land's In 1947 Edwin Land , a U.S. inventor ...
... material with a special processing procedure to produce positives in one stage . The process was initially used in office copying systems , and it is still in use in such systems . Land's In 1947 Edwin Land , a U.S. inventor ...
Page 344
... material with a special processing procedure to produce positives in one stage . The process was initially used in office copying systems , and it is still in use in such systems . In 1947 Edwin Land , a U.S. inventor , introduced a ...
... material with a special processing procedure to produce positives in one stage . The process was initially used in office copying systems , and it is still in use in such systems . In 1947 Edwin Land , a U.S. inventor , introduced a ...
Page 742
... material shows only poor Polyhydrocarbons . Chemically the simplest class of mechanical strength . Above this critical value , mechani- commercial polymers is the polyhydrocarbons . These are cal strength is rapidly developed with ...
... material shows only poor Polyhydrocarbons . Chemically the simplest class of mechanical strength . Above this critical value , mechani- commercial polymers is the polyhydrocarbons . These are cal strength is rapidly developed with ...
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