Scientific instruments: including an ivory diptych dial by Senecal of Dieppe, a silver ring dial by Webb of London, a large brass ring dial by George Adams, a brass reflecting telescope by John Bleuler, watches including Charles Frodsham No. 09692, a gold keyless lever tourbillon, a gold hunting cased keyless tourbillon signed Ecalle, a gold keyless lever karrusel by S. Smith & Son, Breguet No. 2126, a gold half quarter-repeating jump hour ruby cylinder watch, a gold minute repeating grande and petite sonnerie clockwatch, an unusually enamelled gold quarter repeating cylinder watch by Conyers Dunlop, a silver gilt watch with Sully's escapement, clocks including a carriage clock by Bolviller, a small gilt-metal alarum timepiece in the manner of Thomas Cole, a Viennese quarter-striking bracket clock by Franz Geist, an ebonised bracket clock, Vulliamy No. 634, a rare automaton organ clock by Stephen Rimbault, an alarum lantern clock signed Samuel Macham Fecit, a rosewood Vienna month wall regulator, a walnut longcase clock signed Geo. Etherington, London, a small walnut marquetry longcase clock by John Wise : which will be sold by auction by Sotheby Parke Bernet & Co. ..., day of sale Thursday, 10th May, 1979