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Standard diving dress, also known as hard-hat or copper hat equipment, deep sea diving suit or heavy gear, is a type of diving suit that was formerly used for all relatively deep underwater work that required more than breath-hold duration, which included marine salvage, civil engineering, pearl shell diving and other commercial diving work, and similar naval diving applications.
From January 1918 the U.S. Army began to use helmets manufactured in the US and these helmets were designated M1917. [1] The steel helmet was known to the troops as a tin hat, or, for the officers, [dubious – discuss] a battle bowler (from bowler hat). British soldiers soon identified with their helmets, much as French and German soldiers. [14]
In 1961, MSA released the Topgard Helmet, the first polycarbonate hard hat. 1962 brought the V-Gard Helmet, which today is the most widely used hard hat in the United States. [ citation needed ] Today, most hard hats are made from high-density polyethylene (HDPE) or advanced engineering resins, such as Ultem .
From 1917 to 1928, the factory manufactured straw harvest hats. [6] By the 1920s, the company was the largest manufacturer of harvest hats in the world from this facility. [6] In 1928, the company purchased 2528 Texas Avenue from Koken Barbers' Supply Company and sold the original factory at 711 Lucas to Koken as part of the deal. [6]
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The Wright family have been involved in the manufacture of hats continuously for 300 years in Luton and the current Albion Road factory, which was founded by Walter Wright in 1889 with his wife Minnie Susan, is alleged to be the first custom built hat factory in Luton without a residence.
Stetson is an American brand of hat manufactured by the John B. Stetson Company. "Stetson" is also used as a generic trademark to refer to any campaign hat, particularly in Scouting. John B. Stetson gained inspiration for his most famous hats when he headed west from his native New Jersey for health reasons. On his return east in 1865, he ...
The Merrimac Hat Company was a prominent manufacturer of hats from the 1860s until the 1950s, employing up to 500 people in its manufacturing facilities in Amesbury, Massachusetts and another 1,500 in facilities from Alabama to Nova Scotia. [1]