Scientific instruments comprising an ivory diptych dial by Thomas Tucher, a brass sextant by George Adams, a brass surveying instrument by George Beck, a 3-inch pocket globe by James Ferguson, a portable orrery by W. Jones, a marine chronometer by Barrauds, watches including a gold and enamel pair cased cylinder watch signed Breguet, a silver quarter repeating alarum chaise watch by Julien Le Roy, a gold minute repeating keyless lever watch by Charles Frodsham, a silver pocket chronometer by Parkinson & Frodsham, a gold quarter repeating duplex watch by Grimalde & Johnson, a silver pair cased repeating verge watch by Louis Prevost, a gold and enamel pair cased watch and chatelaine, an hexagonal table clock by Plattlico Erhardo of Warsaw, clocks including an unusual porcelain-mounted alarum carriage clock, an ebonised mantel timepiece by Arnold and Dent, a boulle musical calendar clock by John Ellicott, a walnut bracket clock by Daniel Quare, a lantern clock signed P. Martel à Bèthune, a burr-maplewood month longcase clock by Fromanteel and Clarke, a small walnut month longcase clock by John Knibb : which will be sold by auction by Sotheby Parke Bernet & Co. ..., day of sale Friday, 6th October, 1978