Fine and rare example of North's Patent six-minute 'flying' tourbillon. Fine and rare example of North's Patent six-minute 'flying' tourbillon.
Rare reverse keyless fusee pocket chronometer with standing detent, ex Djanogly collection. Rare reverse keyless fusee pocket chronometer with standing detent, ex Djanogly collection.
A fine pocket chronometer in its original box, with most interesting provenance. A fine pocket chronometer in its original box, with most interesting provenance.
A fine late Georgian pocket chronometer, almost certainly by Pennington. A fine late Georgian pocket chronometer, almost certainly by Pennington.
Catalogue of an exhibition held 1-10 December, 1976. Catalogue of an exhibition held 1-10 December, 1976.