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'Crown' (1747). Scale: 1:48. A plan showing the inboard profile for the 'Crown' (1747), a 1745 Establishment 44-gun, Fifth Rate, two-decker, as converted into a 24-gun Storeship in 1757.
September 1756 to July 1757
National Maritime Museum

'Crown' (1747). Scale: 1:48. A plan showing the lower deck for 'Crown' (1747), a 1745 Establishment 44-gun, Fifth Rate, two-decker, as converted to a 24-gun Storeship in 1757.
1757
National Maritime Museum

'Crown' (1747). Scale: 1:48. A plan showing the orlop deck with platforms for 'Crown' (1747), a 1745 Establishment 44-gun, Fifth Rate, two-decker, as converted to a 24 gun Storeship in 1757.
1757
National Maritime Museum

'Crown' (1747). Scale: 1:48. A plan showing the quarter deck for 'Crown' (1747), a 1745 Establishment 44-gun, Fifth Rate, two-decker, as converted to a 24-gun Storeship in 1757.
1757
National Maritime Museum

'Crown' (1747). Scale: 1:48. A plan showing the upper deck for 'Crown' (1747), a 1745 Establishment 44-gun, Fifth Rate, two-decker, as converted to a 24-gun Storeship in 1757.
1757
National Maritime Museum

'Thunderer' (1760). Scale: 1:48. Plan showing the body plan, sheer lines, and longitudinal half-breadth for 'Thunderer' (1760), a 74-gun Third Rate, two-decker. The plan represents the ship after the alteration to increase the breadth.
Circa July 1757
National Maritime Museum

'Vanguard' (1748); 'Temple' (1758); 'Conqueror' (1758). Scale: 1:48. Plan showing the inboard profile for 'Vanguard' (1748), a 1745 Establishment 68-gun Third Rate, two-decker, and later altered in September 1757 fo
Circa 1748
National Maritime Museum

. Brass crank winding key made for H3 in 1931 as part of Gould’s restoration. The key is engraved: 'HARRISON No.3 1931'.
1757
National Maritime Museum

. deck, quarter & forecastle
1757
National Maritime Museum

. deck, quarter & forecastle
1757
National Maritime Museum

. Four brass support pillars, made in 1930 when H3 was being fitted into its first showcase, and transferred to the new showcase for the NMM display in 1936. All three large timekeepers remained in these 1936 showcases until 1984 when they were transferre

National Maritime Museum

. Inboard profile plan NMM, Progress Book, volume 2, folio 278, states that 'Alarm' was docked at Woolwich Dockyard on 8 February 1769 and sailed on 15 April 1769 having been fitted at the cost of £1658.12.4.
1757
National Maritime Museum

. Inboard profile plan
1757
National Maritime Museum

. Inboard profile plan
1757
National Maritime Museum

. Inboard profile plan
1757
National Maritime Museum

. lines
1757
National Maritime Museum

. lines
1757
National Maritime Museum

. Lower deck plan
1757
National Maritime Museum

. Lower deck plan
1757
National Maritime Museum

. platform
1757
National Maritime Museum

. platform
1757
National Maritime Museum

. The front cap of H3’s caged roller bearing, removed for many years to enable the bearing to be observed on display.
1757
National Maritime Museum

. The glazed brass case of H3. The case is constructed from thin brass sheets, all pieces are carefully fabricated using coppersmiths dovetailed joints down the edges and silver-soldered, a highly skilled exercise on a piece as large as this. The thin gla

National Maritime Museum

. The rear cap of H3’s caged roller bearing removed for display. In the poor conditions at sea it was important to protect this very sensitive part from the ingress of dirt and dust and Harrison designed it to be virtually sealed with these caps.
1757
National Maritime Museum

. Upper deck plan
1757
National Maritime Museum

. Upper deck plan
1757
National Maritime Museum

Active (1758), Argo (1758), Acquilon (1758), Levant (1758), Griffin (1758), Cerberus (1758), Milford (1758), Guadalupe (1763), Carysfort (1766). Scale 1:48. Plan showing the inboard profile plan as proposed and approved for Active (1758), Argo (1758), Acq
circa September 1757
National Maritime Museum

Alarm (1758); Aeolus (1758) [alternative spelling: Eolus]; Montreal (1761); Niger (1759); Quebec (1760); Stag (1758); Winchelsea (1764). Scale: 1:48. Plan showing the body plan, sheer lines, and longitudinal half-breadth proposed (and approved) for Alarm
September 1757
National Maritime Museum

Argo (1758), Active (1758), Aquilon (1758), Milford (1759), Guadeloupe (1763), Carysfort (1766), Laurel (cancelled 1783), Hind (1785). Scale 1:48. Plan showing the body plan, sheer lines with inboard detail, and longitudinal half breadth for Argo (1758),
circa. September 1757
National Maritime Museum

Badge commemorating the rebuilding of the Eddystone Lighthouse. Badge commemorating the rebuilding of the Eddystone Lighthouse. Uniface. View of Eddystone Lighthouse, with ships around it. Legend: 'IN . SALUTEM . OMNIVM' (For the safety of all)
1757
National Maritime Museum

Bare Needle Type. Miners compass in wooden case, fitted with two sight vanes. Graduated from 1-32. Bare needle type fitted with locking device.
1757
National Maritime Museum

Counter commemorating Montcalm's success in Canada. Counter commemorating Louis Joseph, Marquis de Montcalm's success in Canada. Obverse: Bust of King Louis XV in armour, draped (right). Legend: 'LUD . XV . REX . CHRISTIANISS.' Reverse
1757
National Maritime Museum

Counter commemorating the Battle of Minorca, 1756. Counter commemorating the Battle of Minorca, 1756. Obverse: Head of King Louis XV, laureate, slightly draped (right). Legend: 'LUD . XV . REX CHRISTIANISS.' Reverse: A lioness fighting two tige
1757
National Maritime Museum

Counter commemorating the Battle of Minorca, 1756. Counter commemorating the Battle of Minorca, 1756. Obverse: Youthful bust of Admiral Louis Jean Marie de Bourbon, Duc de Penthièvre (1725-1793) (right). Legend: 'L . J . M . DE BOURBON D . DE
1757
National Maritime Museum

Favourite (1757). Scale: 1:48. Plan showing the body plan, inboard profile (one waterline) and longitudinal half-breadth (no waterlines) for Favourite (1757), a 16-gun Ship Sloop. The ship may be illustrated as launched. Reverse: Plan showing the quarte
Circa December 1757
National Maritime Museum

Favourite (1757); Tamar (1758); Flora (cancelled 1761). Scale: 1:48. Plan showing the body plan, sheer lines with figurehead, and longitudinal half-breadth proposed (and approved) for Favourite (1757), Tamar (1758) and Flora (cancelled 1761), all 16-gun
January 1757
National Maritime Museum

Grasshopper pallet. Glass tube containing one of H3’s original oak pallets. The pallet nib end is missing and the pallet now has an experimental metal (zinc?) nib, made by Gould, clamped to it, as well as a small lead counterweight bound to the pall
1757
National Maritime Museum

H3. Marine timekeeper, H3. Started in 1740, this third timekeeper took Harrison nearly 19 years to build and adjust, although it was not to win him the great longitude prize: he found that he just could not persuade the two large, heavy, circular balances
1757
National Maritime Museum

Magnanime (captured 1748). Scale: 1:48. Plan showing the body plan, stern board with name in a cartouche on the counter, sheer lines with inboard detail and figurehead, and longitudinal half-breadth for Magnanime (captured 1748), a captured French Third
29 June 1757
National Maritime Museum

Monck Duke of Albemarle. Plate to History of England by Smollett. Print
1757
National Maritime Museum

Panther (1758); Firm (1759); Edgar (1758). Scale: 1:48. Plan showing the gun deck (lower deck) for Panther (1758), Firm (1759), and Edgar (1758), all 60-gun Fourth Rate, two-deckers.
Circa 1757
National Maritime Museum

Panther (1758); Firm (1759); Edgar (1758). Scale: 1:48. Plan showing the inboard profile for Panther (1758), Firm (1759), and Edgar (1758), all 60-gun Fourth Rate, two-deckers.
Circa June 1757
National Maritime Museum

Panther (1758); Firm (1759); Edgar (1758). Scale: 1:48. Plan showing the orlop deck with fore & aft platforms for Panther (1758), Firm (1759), and Edgar (1758), all 60-gun Fourth Rate, two-deckers.
Circa 1757
National Maritime Museum

Panther (1758); Firm (1759); Edgar (1758). Scale: 1:48. Plan showing the quarterdeck and forecastle for Panther (1758), Firm (1759), and Edgar (1758), all 60-gun Fourth Rate, two-deckers.
Circa 1757
National Maritime Museum

Panther (1758); Firm (1759); Edgar (1758). Scale: 1:48. Plan showing the upper deck for Panther (1758), Firm (1759), and Edgar (1758), all 60-gun Fourth Rate, two-deckers.
Circa 1757
National Maritime Museum

Plano del puerto de Cajayagan q comunmente llaman Palapa, cito en la Isla de Leyte a la pte Orient.l de S.Bernardino, q mando delinear, y esculpir el M.I.S. Presid. Gov. y Cap.n Gen.l delas Islas Philipinas D. Pedro Manuel de Arandia.. Single sheet. Engr.
1757
National Maritime Museum

Plano del puerto de Sisiran, situado en la Prov.a de Camarines a la parte septentrional de S.Bern.no y al Oessud.te de la P.ta de N.te de la Isla de Catanduanes, mandato delinear, y esculp.r pr el M.I.S.D.Pedro Manuel d'Arandia Presidente Governador,
1757
National Maritime Museum

Sextant. The sextant has a polished brass frame and limb, with a four-legged brass section on the back for the belt pole mounting. The detachable belt pole is made of brass and wood. The tangent screw and clamping screw, which are modern replacements, are
circa 1758
National Maritime Museum

The 'Royal George' at Deptford showing the launch of the 'Cambridge'. (Updated, November 2014) This picture is a composite of two events, set at Deptford, combining the launch of the 'Cambridge', on 21 October 1755 with a vi
1757
National Maritime Museum

UNIVERSAL PLANISPHERE A) The Earth's Eastern Hemisphere. Printed planisphere, A) Europe and Asia;
1757
National Maritime Museum

UNIVERSAL PLANISPHERE AC) Volvelle. Printed planisphere, C) Volvelle to be placed in centre of either planisphere
1757
National Maritime Museum

UNIVERSAL PLANISPHERE The Earth's Western Hemisphere. Printed planisphere, B) America;
1757
National Maritime Museum

'Dorsetshire' (1757). Scale: 1:48. Plan showing the body plan, sheer lines, and longitudinal half-breadth for 'Dorsetshire' (1757), a modified 1745 Establishment, 64-gun Third Rate, two-decker, as originally designed to carry 70-guns.
Pre 1757
National Maritime Museum

Guadalupe (1763). Scale 1:48. Plan showing the body plan, stern board outline with some detail, sheer lines with inboard detail, longitudinal half breadth for Guadalupe (1763), a 28-gun, Sixth Rate Frigate. note: see nalso ADMC 2450A, A reverse at Yarmout
1757 ta 1763 (order to launch dates)
National Maritime Museum

Admiral Sir Edward Pellew (1757-1833), 1st Viscount Exmouth. Over life-size marble statue, bare-headed, facing the front, torso turning to sitter's left, with the head turned strongly to his right and the right leg stepping out in line with it. The r
1846
National Maritime Museum

Halfpenny token commemorating Sir Edward Pellew, 1st Viscount Exmouth (1757-1833). Halfpenny token commemorating Sir Edward Pellew, 1st Viscount Exmouth (1757-1833). Obverse: Bust of Admiral Pellew, laureate, in a tie-wig (left) larger than preceding. L
1797
National Maritime Museum

Halfpenny token commemorating Sir Edward Pellew, 1st Viscount Exmouth (1757-1833). Halfpenny token commemorating Sir Edward Pellew, 1st Viscount Exmouth (1757-1833). Obverse: Bust of Admiral Pellew in a tie-wig and uniform (left). Legend: 'GLORIOVS
1796
National Maritime Museum

Admiral James de Saumarez (1757-1836), 1st Baron de Saumarez. Over life-size marble statue showing the sitter bare-headed and facing forward but with his body turned slightly to his left, his left foot forward and raised on a loose coil of rope, the knee
1853
National Maritime Museum

Fragment of rope from the statue of Admiral James de Saumarez (1757-1836), 1st Baron de Saumarez. Fragment of rope from the statue of Admiral James de Saumarez (1757-1836), 1st Baron de Saumarez.
1853
National Maritime Museum

Merlin (purchased 1757). Scale: 1:48. Plan showing the inboard profile for Merlin (purchased 1757), a 18-gun Ship Sloop purchased while building at Rotherhithe by Mr Randall. The plan includes alterations. The ship was named 'Merlin' on 23 Ju
April to June 1757
National Maritime Museum

Merlin (purchased 1757). Scale: 1:48. Plan showing the quarterdeck, forecastle, upper deck, and orlop deck with platforms for Merlin (purchased 1757), a 18-gun Ship Sloop purchased while building at Rotherhithe by Mr Randall. The ship was named 'M
April-June 1757
National Maritime Museum

Unnamed single-masted Yacht for the Clerk of the Cheque of Sheerness (circa 1757). Scale: 1:32. A plan showing the body plan, sheer lines with inboard detail (bow missing), deck plan with details (bow missing), and the longitudinal half-breadth (bow missi
May 1757
National Maritime Museum

53ft Mooring Lighter (1757). Scale: 1:48. A plan showing the body plan, basic profile with some inboard detail, and longitudinal half-breadth, for a single-masted 53ft Mooring Lighter. Signed by Joseph Harris [Master Shipwright, Sheerness Dockyard, 17
28 May 1757
National Maritime Museum

Boreas (1757); Trent (1757). Scale: 1:48. Plan showing the quarter deck, forecastle, and section through the deck at the cathead for Boreas (1757) and Trent (1757), both fir-built 28-gun Frigates building at Woolwich Dockyard.
30 June 1757
National Maritime Museum

'Experiment' taking the 'Telemaque', 19 July 1757. This painting shows the action betwen HM ship 'Experiment', Captain John Strachan, and the French privateer 'Télémaque' of 20 guns and 460 men, of Ali
1769
National Maritime Museum

Britannia (1762). Scale: 1:48. Plan showing the body plan, inboard profile, and basic longitudinal half-breadth for Britannia (1762), a 100-gun First Rate, three-decker. Signed by Thomas Slade [Surveyor of the Navy, 1755-1771] and William Bately [Surveyo
1 August 1757
National Maritime Museum