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Strauss also asked Bullard to create a hard hat to protect workers who performed sandblasting. Bullard produced a design that covered the worker's face, provided a window for vision and a supply of fresh air via a hose connected to an air compressor. The MSA Skullgard was the best, but quite expensive. Many hard hats were made of cheaper steel.
The development of hard hats for workplace safety may have been inspired by the helmets of WWI, and they have become a standard type of safety equipment on many construction job sites and industrial locations. Flight helmets were also developed throughout the 20th century.
Bowler hat: A hard felt hat with a rounded crown created in 1850 by Lock's of St James's, the hatters to Thomas Coke, 2nd Earl of Leicester, for his servants. More commonly known as a Derby in the United States. [19] Breton: A woman's hat with round crown and deep brim turned upwards all the way round.
A Hardee hat with infantry adornment; the brim on this hat at Gettysburg National Military Park is pinned on the right, inconsistent with regulations. The Hardee hat, also known as the Model 1858 Dress Hat and sometimes nicknamed the "Jeff Davis", was the regulation dress hat for enlisted men in the Union Army during the American Civil War.
Hat sizes are determined by measuring the circumference of a person's head about 1 centimetre (2 ⁄ 5 in) above the ears. Inches or centimeters may be used depending on the manufacturer. Felt hats can be stretched for a custom fit. Some hats, like hard hats and baseball caps, are adjustable.
Construction worker wearing an MSA Skullgard hard hat at Douglas Dam, Tennessee (), 1942. Mine Safety Appliances, or MSA Safety Incorporated, is an American manufacturer and supplier of safety equipment designed for use in a variety of hazardous conditions in industries such as construction, the military, fire service, and chemical, oil, and gas production.
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