The Vintage American Optical Co. Bright Line 1492 counting chamber comes in its original box, adding to its collectible value. This scientific instrument was likely used in laboratories for counting cells or particles under a microscope. Made by the American Optical Company, known for producing high-quality scientific instruments, this piece reflects the craftsmanship and technology of its time. A sought-after item for collectors of vintage lab equipment and scientific instruments from the mid-20th century.