London, South Kensington
23 April 2008
An 18th-century French ivory diptych dial
unsigned and undated, leaf 2a with a horizontal dial V-XII-VII, thirty-two-point hand-coloured compass rose with needle, leab 1b with markings for a dial turned into decoration with punches for five-pointed stars, leaves 1a & 2b plain, with three brass hooks for holding the dial open or closed, later metal suspension ring.
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The engraved cirlces on leaf 1b turned into decoration, since one of them is off-axis, provide an interesting insight into the construction methods of the maker.
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