Before the invention of the car. Before the radio, typewriters, elevators, telephones, and electricity. This local company ...
According to Rick Fienberg, press officer for the American Astronomical Society (AAS), most ISO-approved eclipse glasses use solar filters manufactured by AstroSolar and Thousand Oaks Optical.
One of the first to make American glasses was William Beecher, a jewelry apprentice from Rhode Island. He opened up shop in Southbridge in 1826 and by 1843, Beecher had made the first steel ...
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