Victorian Engraved Silver Pocket Thermometer with Swivel Case, 1800s

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A rare and beautifully constructed Victorian pocket thermometer dating to the late 19th century, housed within an elegant engraved silver … Read more A rare and beautifully constructed Victorian pocket thermometer dating to the late 19th century, housed within an elegant engraved silver cylindrical case incorporating an ingenious swivel-opening mechanism. When closed, the instrument forms a compact protective capsule suitable for carrying in a pocket or attaching to a watch chain or chatelaine. The case swivels open to reveal the internal thermometer, allowing the delicate instrument to remain safely enclosed when not in use. The exterior is richly decorated with finely engraved scrolling foliage, centred by an oval cartouche bearing an elegant period monogram. A suspension ring to the top further emphasises the thermometer's original portable function. Internally, the thermometer retains a clearly graduated scale ranging from approximately 10 to 110 degrees, with well-defined numerals and an intact coloured liquid column. A hinged protective section and smoothly operating swivel mechanism demonstrate the thoughtful combination of precision instrument making and silversmithing characteristic of quality Victorian scientific accessories. The silver bears worn hallmarks, consistent with considerable age and use. Comparable pocket thermometers were produced by specialist British and American instrument makers during the late 19th century, although the maker of this particular example has not been conclusively identified. The piece remains in very good antique condition, displaying light surface wear, rubbing to the engraving and hallmarks, and minor marks commensurate with age. The swivel mechanism operates well and the thermometer presents attractively. An unusual combination of Victorian silverware and scientific instrumentation, particularly appealing to collectors of antique scientific instruments, pocket accessories, horological objects and fine 19th-century silver. Period Late 19th Century, Victorian Materials Silver, glass, metal and thermometer liquid Measurements Height: approximately 10 cm / 3.9 in Width: approximately 1.8 cm / 0.7 in Depth: approximately 1.8 cm / 0.7 in See less