Thwaites and Reed skeleton Athenase strike dome clock, the dial of circular form set with Roman numerals, with silvered finish set within a brass body, with eight day spring wound passing clock, striking on the hour, the whole on an onyx base with glass dome cover, height 7.87 in.
- Onyx - Onyx is a form of agate, used from antiquity and popular again in the 1920s and 30s. European onyx is generally green, but can be many other colours, and can contain bands of black and/or white.
This multicoloured stone is widely used for table tops, lamp bases and in jewellery. Some types of onyx are also used for cameos of which the upper white layer is cut away to reveal the colour beneath.
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