Joly block photometer, an optical demonstration instrument, unsigned, British, 1884-1946. Consists of two plocks of opal in wooden mount. Joly block photometer 1850-1950
Opal glass perfume bottle with gilt decoration, detachable coiled snake round bottle, Brisol glass, English, 1890-1920 Opal glass perfume bottle with gilt decoration 1890-1920
