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Nylon, developed by Du Pont in 1938, was the first true synthetic fiber.First available to consumers in stockings in May 1940, nylon was not used in other clothing until after WWII. S., England, and Germany use variations of the same sizing method ((e.g. Some countries that manufacture shoes for export sensibly mark shoes in the size system of the country they are shipping to.The modern metal zipper was invented in 1914 and used in galoshes and bags until 1927, after which they were also used in men’s trousers. Machines were not in common use for civilian garments until after 1845.They were not common in women’s dresses until the late 1930s. Machine chain stitch came first, followed by lockstitch. Hand-sewn and machine-sewn construction (as opposed to hand-sewn finishing) coexisted for years – until the 1880s, if not later.Today, blue jeans are worn by people of all ages, and from all walks of life.Vintage Levi's are coveted and pricey items of clothing due to their age and historical significance.
The zigzag machine was patented in 1873 by Helen Blanchard, but a model for home use, manufactured by Italian company Necchi, was not available to consumers until 1947.LOOK FOR THE LABEL Look for labels in the side seams and hems of older garments. The Coat and Suit Industry National Recovery Board was a trade organization meant to ensure that garments were made in accordance with Fair Labor Standards. The Fur Products labeling act of 1952 required an accurate description of fur (e.g.Country-of-origin labels came about in the US following the Mc Kinley Act of 1891. The NRA Blue Eagle label, denoting compliance with Manufacturing Codes, was used in the U. what had been called Hudson Seal now had to be identified as sheared muskrat).Antron nylon was trademarked in 1960, Antron III in 1970. Exotic leathers (crocodile, lizard, alligator) were commonly used for shoes during WWII because they weren’t rationed for the war effort.Dacron (trademarked by Du Pont) refers to several types of polyester yarn. Qiana, developed by Du Pont, and commercially available since 1968, is a filament nylon used for woven and knitted fabrics. as elastane) was developed by Du Pont in 1958 and mixed with various fibers for use in lingerie since 1960, and in a wide range of clothing items since the 1980s. DATING VINTAGE SHOES Vintage shoes from before the 1970s use AAAA-DDD width sizing, rather than M (medium), N (narrow), and W (wide). Shoes made from 1800-1860 only have right or left sole shapes if they were custom made to fit a client’s foot. Remember “croc has a dot, alligator not” when identifying skins. Sandals entered the shoe wardrobe in mid-1930s, first in Europe, then the U. After the sandal came open-toe and sling-back shoes, in the late 1930s – never before.