Catalogue of scientific instruments comprising twelve-inch brass sector by Elias Allen, London, circa 1640, universal ring dial by Hilkiah Bedford, dated August, 16th 1653, "Wenham's" binocular microscope by Ross of London, marine chronometers by T. L. Ainsley, Parkinson & Frodsham and Thomas Mercer, ivory and silver pocket dials, and watches, including repoussé gold pair-cased verge clockwatch by John Finch, circa 1710, gold and enamel cased cylinder pump wind watches signed Jacquet Droz, London, gold and enamel diamond-set repeating cylinder watch by Francis Perigal, Meissen cased verge watch, the movement signed Jos. Anton Koestler, circa 1760, gold and enamel Art Nouveau keyless lever dress watch, quarter striking table clock signed Wilhomus Köberle, circa 1710, and clocks, including a large brass-cased calender clock signed Boxell, Brighton, a very rare regulator, No. 728, by George Graham, a star-parquetry olivewood longcase clock, No. 122, by Thomas Tompion, a month burr-chestnut longcase clock, No. 397, by Thomas Tompion and Edward Banger, an important early George II Rococo silver-mounted mahogany bracket clock by John Ellicott, and bracket and longcase clocks by various makers including Johannes van Ceulen, Daniel Delander, Johannes Duchesne, Ahasuerus Fromanteel of Amsterdam, Eardley Norton, Edward Stanton, Brouncker Watts, Robert Williamson and Joseph Windmills : which will be viewed and sold by auction at the Royal Watercolour Society Galleries, 26 Conduit Street, W.1 by Messrs. Sotheby & Co. ..., day of sale Monday, 23rd June, 1969