Check the listing for details. Antique 19thC Solid Glass Reading Ball 3” Desk Optical Magnifier. Condition: Used. Listed at 85.00 USD. An authentic 19th-century solid glass reading ball magnifier, historically used by clerks, accountants, and scholars to enlarge small print before modern lens magnifiers became common. This example measures approximately 3 inches in diameter and is made from heavy hand-polished optical glass. When placed over text, it produces clear magnification and distortion typical of period desk magnifiers. The glass shows natural internal striations and flow lines consistent with early manufacture, along with surface wear from more than a century of handling.

$42.50
$85.00