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Chronometer watch by Thomas Earnshaw No.498

Marine chronometer by Thomas Earnshaw

1795-1805

Thomas Earnshaw

1861

Thomas Earnshaw

1798

Chronometer in Silver Case by Thomas Earnshaw, no 837, 1810-1825

hallmarked 1825

Chronometer in Gold Case by Thomas Earnsham, 1795-1810

1795-1810

Chronometer in Silver Case by Thomas Earnshaw, 1800-1834

1800-1834

Half- Quarter Repeater Pocket Watch by Thomas Earnshaw, 1810-1823

hallmarked 1823

Pocket Watch in Guilt Silver Case by Thomas Earnshaw, 1810-1824

hallmarked 1824

Deck-watch used by Capt. George Vancouver on board HMS Discovery 1791-5

1791

Pocket Watch in Silver Case by Thomas Earnshaw, No 4776, 1815-1831

hallmarked 1831
Model of chronometer escapement, for use with a projecting latern, made by Dent, 1950-1883. Represents the detent chronometer escapement, invented by Thomas Earnshaw 1777-1787. This escapement was typically used in marine chronometers.

Model representing Earnshaw's detent chronometer escapement, 1950-1883

1950-1883
Thos. Earnshaw / Engraved by Samuel Bellin from an original portrait by Sir Martin Archer Shee RA. - [London, 185-?]. - 1 print: engraving and mezzotint, on laid india; 41x34cm, platemark 32.8x25.6cm, image 22.8x18.6cm. oval. - With facsimile signature. - After the oil by Shee in the National Maritime Museum Greenwich or another by him, possibly that exhibited Royal Academy 1798, in Science Museum (Inv.1962-374). - Portrait, HL to L in oval, beside chronometer. In frame 53x42x1.5cm

Thos. Earnshaw

1850-1855

Duplex, by T. Earnshaw

1801-1829
Watch

Watch

1793
Marine balance

Marine balance

1810
Chronometer (marine) by Earnshaw no.705, with Airy's bar in box and case

Chronometer (marine) by Earnshaw no.705

1801-1830; 1871
Half-quarter repeating chronometer watch movement by Thos. Earnshaw including dial with hour hand and one gear wheel

Half-quarter repeating chronometer watch movement

Watch

Watch

1795-1805