Newspapers / The Echo (Pisgah Forest, … / Sept. 1, 1949, edition 1 / Page 26
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PHYSICAL TESTING ' 5u- STELLA SEAY BUVEE PARKER THICKNESS TEST WEIGHT TEST The average thickness is about 0.0015 of an inch Weight as well as thickness must be uniform and must be controlled within very narrow limits. JEAN KUYKENDALL POROSITY TEST This test is made to determine rate of air flow through paper HAZEL ARROWOOD DRY STRENGTH TEST A strip of paper the width of the circumference of a cigarette must support a weight of approxi mately eight pounds
The Echo (Pisgah Forest, N.C.)
Standardized title groups preceding, succeeding, and alternate titles together.
Sept. 1, 1949, edition 1
26
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