Details
Three late 19th/early 20th-Century compensated aneroid pocket barometers,
the largest, by Watson Bros .. LONDON with double scale, blued-steel needle, oxidised-brass casing, magnifier and suspension loop, with a certificate of examination with corrections from Kew Observatory dated November 1892, in a circular plush-lined leather-covered case -- 10.8cm. (4¼in.) wide; the other two brass-cased, one by C.W. DIXEY & SONS .. LONDON, the other unsigned, each with double scales, blued-steel needle and suspension loop (3)
the largest, by Watson Bros .. LONDON with double scale, blued-steel needle, oxidised-brass casing, magnifier and suspension loop, with a certificate of examination with corrections from Kew Observatory dated November 1892, in a circular plush-lined leather-covered case -- 10.8cm. (4¼in.) wide; the other two brass-cased, one by C.W. DIXEY & SONS .. LONDON, the other unsigned, each with double scales, blued-steel needle and suspension loop (3)
Special notice
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