Antique cobalt blue glass pharmaceutical bottle with its original handwritten paper label indicating "Kaolin". A second small old label mentions "Washed Kaolin". Very beautiful pharmaceutical preparation bottle with intense colored glass, typical of containers used in pharmacies and laboratories in the 19th century.
Washed kaolin is a purified white clay (hydrated aluminum silicate) formerly used in pharmacies, particularly as an absorbent and excipient in various preparations. Cobalt blue glass was used for certain pharmaceutical containers to protect light-sensitive products.
✦ Estimated period: 19th century (circa 1880-1900) ✦ Provenance: Former pharmacy / dispensary ✦ Dimensions: approx. 17 × 6 cm ✦ Material: Cobalt blue glass, old paper label ✦ Condition: Good general condition, signs of use and age, wear on the original label. Old stopper present.
Antique cobalt blue glass laboratory and pharmacy bottle, a beautiful decorative and collector's item relating to the history of 19th-century pharmaceutical preparations.
