Great grandfather's Willson welders/safety glasses of some sort. Id like to learn more about them as searching online I haven't found these exact ones. Early 1900s? : r/whatisthisthing
Willson Goggles and the Rise and Fall of American Industry. - The Eyewear Blog
Antique Willson Black Welding Goggles Safety Glasses Vtg Old Mad Max Steampunk W