1930s American Optical No. 120 Bakelite & Metal Chippers Goggles 50mm Aviation Motorcycle Steampunk. Rare! Pre-owned in excellent condition. No missing pieces, strap damage, scratches, chips, paint loss, or damage of any kind. This pair of goggles is a vintage American Optical No. 120 Chippers, perfect for collectors and enthusiasts of the steampunk aesthetic. Made in the United States, these goggles feature a 50mm lens and were produced between 1930 and the present day. Have not been modified and remain in their original state.