Image
Category
Collection
Maker
Object type
Place
Material
Date

Pocket Watch in Gold Case by Breguet, 1790-1810

1790-1810

'Souscription' watch by Abraham-Louis Breguet

1800

Gold watch by John Gibson, Royal Exchange

1808

Watch by Vulliamy, London

Watch with Prest's keyless winding by John Roger Arnold

1821

Pair cased gold watch by Septimus Miles

1814

Square ruby slab, 5.625" x 5.5"

Crookes vacuum tube containing mineral samples

rectangular ruby laser rod

solid state ruby laser

1960-1970

Souscription watch by Abraham-Louis Breguet

circa 1801

Silver pomander

1871-1892

Watch with cylinder movement

Watch

1816

Discharge tube with aluminium electrodes and pieces of ruby between electrodes, English, 1801-1920

Discharge tube with aluminium electrodes and pieces of ruby between electrodes

1801-1920

18ct gold-cased watch with silver engine-turned dial. The 12-hour chapter ring displays mean-solar time with an aperture for an annular calendar. The 24-hour dial displays sidereal time with inset age and phase of the moon. A centre seconds chronograph which can function with either mean-solar or sidereal time via the flick of a lever on the back.

18ct gold-cased watch with silver engine-turned dial

1982

Watch

Watch

1811

Gold watch with chronometer escapement by James Moore French, London, 1814. Gold hunter case, hallmarked for 1814, with gold fob chain and seal and bed hook. Gold dial with engine turned centre and matt chapter ring with polished numerals, steel wavy hands. Movement with spring detent escapement, two arm compensation balance with helical spring, jewelled pivot holes and diamond endstone. Signed 'French, Royal Exchange, London 1029’ on the dust cap and movement.

Watch with spring detent escapement by James Moore French

1814