Estate Coins & Currency, Vintage Women's Fashions, Vintage Medical and other Collectibles
Lot 101:
Description
This is an early 20th-century ophthalmoscope manufactured by the De Zeng-Standard Co. of Camden, New Jersey. The instrument is a medical diagnostic tool designed for inspecting the retina and internal structures of the eye. It features a battery-handle design constructed of nickel-plated brass. The head is made of black-finished metal and composite components with integrated glass lenses and a rotating lens selection disc. The instrument is housed in its original fitted case of wood and board construction, featuring a textured black leatherette exterior and a purple velvet-lined interior. Markings include printed gold lettering on the case lid reading De Zeng-Standard Co. Camden, N. J. The handle is stamped near the base with DE ZENG-STANDARD CO. CAMDEN, N.J. PATS PENDING. The top of the rotating lens disc is stamped DE ZENG-STANDARD CO. MAKERS followed by patent dates including MAY 19, 03 and MAY 2, 1905. The disc also includes plus and minus indicators for the diopter lenses. The set appears to be a complete standalone unit as originally sold in this specific fitted case.Case: 9.5 inches L x 3 inches W x 2 inches H.
Condition report:
The nickel plating on the handle shows pitting, surface oxidation, and minor scuffing consistent with age and professional use. The black finish on the head shows light wear and some loss around the edges. The primary viewing lens and the lenses in the rotating disc appear intact, though internal dust is present. The lens selection disc rotates freely and the sliding aperture control appears functional. The battery compartment is clean but has not been tested for electrical continuity or illumination. The original fitted case shows significant shelf wear with heavy abrasion and loss to the corners and edges of the black exterior covering. The internal purple velvet remains vibrant with impressions from the instrument. Metal latches and hinges are present and functional.
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