CONDITION
This vintage lot is in good, pre-owned industrial condition, showing a mix of well-preserved pieces and authentic wear. The American Optical and Thermo lenses remain crisp with clean surfaces, and the Fibre-Metal F9 plate shows excellent optical clarity. One of the clear 50mm cover glasses features a noticeable blemish/crack at the top edge, and the Lincoln "Super-Visibility" blue paper sleeve is included as an empty collectible piece. Please review all high-resolution photos carefully, as they serve as the definitive visual representation of the exact items, quality, and condition you will receive.
ITEM HIGHLIGHTS & SPECIFICATIONS
This curated historical lot features a mix of mid-century American-made welding safety glass, consisting of both round 50mm goggle inserts and a classic rectangular helmet filter plate. These pieces were engineered to filter out dangerous infrared and ultraviolet rays during industrial gas torching, brazing, and early electric arc welding.
• Item 1: Fibre-Metal Welding Filter Plate
◦ Shade / Rating: F9 (Shade 9)
◦ Dimensions: 2" x 4.25" Rectangular
◦ Color: Dark Indigo/Black (Green Hue under light)
• Item 2: Thermo "Green Label" Welder's Filter Lenses (Pair)
◦ Shade / Rating: F5 (Shade 5)
◦ Dimensions: 50mm Circular
◦ Color: Deep Emerald Green
◦ Distributor: Rundell-Lightner Welding Supply
• Item 3: American Optical "Filterweld" Lenses (Pair in Original Envelopes)
◦ Shade / Rating: Shade 5
◦ Dimensions: 50mm Circular
◦ Color: Dark Green
• Item 4: Unbranded High-Shade Dark Lens (Single)
◦ Dimensions: 50mm Circular
◦ Color: Heavy Dark Green (High-density tint)
• Item 5: Clear Glass Cover Plates (Pair)
◦ Dimensions: 50mm Circular
◦ Markings: One marked "AA4", one unmarked (with top blemish)
• Item 6: Vintage Lincoln "Super-Visibility" Paper Sleeve (Empty Ephemera)
HISTORIC NOSTALGIA & RARITY
This collection represents the golden age of American industrial manufacturing, featuring legendary safety gear from titans like the American Optical Company and Lincoln Electric. Preserved for decades alongside their original mid-century paper packaging, these heavy, chemically formulated glass lenses possess a striking emerald-green translucency that is incredibly rare to find intact today, making them a perfect addition for vintage tool collectors or steampunk artisans.