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A skillfully made instrument by the highly regarded maker, Jacob Abraham of Bartlett Street,  Bath, England.

The compass/crescent  sundial is in fine condition. The engraved sundial is highlighted in black with his makers name. The spring loaded gnomon for the folding sundial elevates in a crisp and precise manner. A manual compass needle lock is a very fine feature.

Compass dial is silvered and the mercury silver compass needle mounted on a crystal pivot.

The travelling case is shagreen.

Abraham was trained as an optician. He was active in Bath and Cheltenham 1805 - 1841 and was appointed instrument maker to the Duke of Wellington and to the Duke of Glouster.

Undated but c1810.


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