Catalogue of good scientific instruments comprising an important Martin "universal" microscope, circa 1770, a brass binocular microscope, signed A. Roos, London, a marine chronometer No. 439 by Brockbanks, London, a silver ready reckoner medallion, English, circa 1685, a three-draw vellum-covered spyglass, 18th century, dials, octants and mathematical instruments, and fine watches, including Breguet No. 926, a gold half-hunting cased keyless lever watch, a gold centreseconds travelling clockwatch, circa 1840, a gold Maltese cross form verge watch, a gold-cased quarter-repeating wandering hour verge watch, a gold-cased cylinder watch, circa 1830, a gilt-metal cased oignon by Goede l'Aine, Paris, circa 1700, a repousse gold pair-cased quarter-repeating verge watch, signed Ionathan Lowndes, circa 1700, a repousse gold pair-cased verge watch and chatelaine, a gold minute-repeating perpetual calender watch : which will be sold by auction by Sotheby & Co. ..., day of sale Monday, 23rd March, 1970