Word: starch
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Dates: during 1940-1949
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...that new plywoods are as different from old "as a 1940 automobile from a vintage of 1910." Plywood is at least as old as 1900 B. C.-for a mummy case dated thereabouts, and discovered in Egypt, was made of it. But until recently the only glues available were starch glue from tapioca, blood albumin glue from slaughtered cattle and other animal glues. None of these was an adhesive that would "really stand up and fight with tension, torsion, or shear...