Technicians use various machines to measure properties of knitted fabric.
United States USA Date:1948 Duration:59 sec Sound:Yes
Research work by the Bureau of Human Nutrition and Home Economics Service (United States Department of Agriculture). Chief of the Bureau Dr. Hazel K Stiebeling talks about research in the field of textile and clothing. A man brings samples of knitted fabric to women working at a table. A woman lays the samples out. A technician uses a machine to test the fabric for elastic recovery, breaking strength, air permeability, moisture absorption. She tests stretch and comeback by applying tension with weights. A machine used to show how much rubbing a fabric can stand.
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