Vintage Union Instrument Corp 4X U.S. and 13 similar items

Vintage Union Instrument Corp 4X U.S. Folding Binocular Magnifier Plainfield NJ Vintage folding binocular magnifier marked "Union Instrument Corp. Plainfield N.J." and "4X U.S." Constructed of black metal with dual lenses and folding wire handles. Designed for hands-free magnification and close inspection work. Commonly used for reading, drafting, map work, jewelry inspection, printing, watch repair, stamp collecting, and other precision tasks. The folding design allows for compact storage when not in use. Condition: Good vintage condition. Lenses appear intact. Untested for optical accuracy. Light scratches, scuffs, finish wear, and age-related cosmetic wear present. Folding mechanism functions smoothly. Please review all photos carefully for complete condition details. Size: Approximately 5" x 2.5" folded Materials: Metal, Glass Colors: Black, Silver Estimated Age: 1940s-1960s Disclaimer: AI-generated images may appear at the end of the photo lineup for styling purposes only and may not exactly represent the item. Photos of the actual item are included. Vintage pieces may show age?please review all photos and details carefully.