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The original version was designed for use with gas masks during World War II. It was wire-rimmed with cable temples and a "P3" lens shape. The design was a modification of the style used by the British military. [1] After World War II, the material was switched from nickel alloy wire to cellulose acetate. Initially gray cellulose acetate was ...
Then the U.S. military standard (MIL-PRF-31013) must also be met. The U.S. civilian standard for protective eyewear was revised in 2010. The previous version from 2003 was organized by the type of protector. The Z87.1-2010 version is organized by the type of hazard such as droplet and splash, impact, optical radiation, dust, fine dust, and mist ...
Ballistic sunglasses or prescription eyeglasses must meet the same requirements. In brief, the U.S. military standard requires that ballistic eyewear must be able to withstand up to a 3.8 mm (.15 caliber) projectile at 195 m/s (640 ft/s)) for spectacles and 5.6 mm (.22 caliber) projectile at 168–171 m/s (550–560 ft/s) for goggles.
AN6531 sunglasses with Type 1 AN6531 lenses made by American Optical. In the second half of the 1930s and early 1940s, a group of American firms continued developing sunglasses. The military "flying sun glasses (comfort cable)" were standardized in November 1941. They were produced in huge quantities (several million pieces) for pilots and sailors.
Luxottica was founded in Agordo by Leonardo Del Vecchio in 1961 as a sunglasses manufacturer selling and branding under its own name. Del Vecchio quickly acquired numerous businesses in the pursuit of vertical integration, buying distribution companies rapidly and signing its first designer licensing agreement with Giorgio Armani .
David Stirling, founder of the SAS, founded a PMC in the 1960s.. Modern PMCs trace their origins back to a group of ex-SAS veterans in 1965 who, under the leadership of the founder of the SAS, David Stirling and John Woodhouse, founded WatchGuard International (formerly with offices in Sloane Street before moving to South Audley Street in Mayfair) as a private company that could be contracted ...
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