The Catalogue

Instruments · c. 1784

Marine chronometer no. 23 by John Roger Arnold

Royal Museums Greenwich

Pocket Watches · 1794–1795

Pocket chronometer no. 490 by John Roger Arnold

Royal Museums Greenwich

Instruments · 1804

Marine chronometer by John Roger Arnold

British Museum

Pocket Watches · 1805 (hallmarked London)

18ct pocket chronometer by John Roger Arnold, London, hallmarked London 1805

Gardiner Houlgate (auction house), Corsham

Instruments · 1807

Marine chronometer by John R. Arnold, 1807

Tiedemuseo Liekki

Instruments · c. 1807

Marine chronometer no. 294 by John Roger Arnold

Royal Museums Greenwich

Pocket Watches · c. 1811

Pocket Watch - John R. Arnold, c. 1811

Museums Victoria, Melbourne

Instruments · 1813

Marine chronometer by John Roger Arnold

British Museum

Pocket Watches · c. 1815

Pocket Watch - John R. Arnold, c. 1815

Museums Victoria, Melbourne

Instruments · c. 1818

Chronometer no. 508 by John Roger Arnold

Royal Museums Greenwich

Pocket Watches · 1818–1819

Pocket chronometer no. 2168 by John Roger Arnold

Royal Museums Greenwich

Instruments · 1818 (case)

Silver-cased subsidiary seconds pocket-chronometer with spring detent escapement

British Museum

Instruments · hallmarked 1833; 1820-1833

Chronometer watch in silver case by J.R. Arnold, Chas Frodsham, no.6530, 3/4 -plate movement, 1820-1833

Science Museum Group, London

Instruments · c. 1843

Marine chronometer no. 366 by John Roger Arnold

Royal Museums Greenwich