Last week the American Society for Testing Materials met in Atlantic City. The 4,400 members of this society are the insurance agents of U. S. industry. They decide exactly how thick and strong a piece of wire must be to make a good bridge cable. They decide how thick and strong a bolt must be to hold an automobile body securely on its chassis. Last week they were trying to establish criteria for the fastness of dyed or printed fabrics against washing. As tentatively established the test is as follows:
Fast Dye. Two specimens are...
To continue reading:
or
Log-In
