English, c. 1890, engraved 'John Browning London' spectroscope with focusing bidy adjustable slit and lens cap in a fitted French polished mahogany case, case 16.5cm long
Sold for £400
Result including buyers premium
English, c. 1890, engraved 'John Browning London' spectroscope with focusing bidy adjustable slit and lens cap in a fitted French polished mahogany case, case 16.5cm long
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