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Lot 54:
Description
Zeal London Vintage Clinical Thermometer, Glass and Nickel-Plated Brass Case
A vintage clinical thermometer by G.H. Zeal Ltd., London. The instrument features a clear glass tube with an etched scale, clearly marked ZEAL LONDON GUARANTEED. The thermometer is topped with a silver-toned metal cap featuring a suspension ring for attachment to a watch chain or fob. It is housed in its original cylindrical protective case, likely constructed from nickel-plated brass. This piece of medical ephemera dates from the early-to-mid 20th century and was designed for portable use by medical professionals, often carried in a pocket in a similar manner to a fountain pen.
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