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Explore our Collection
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Item Category
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Item Category
Item Category
Timekeeping
Timekeeping
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Astronomical regulators and precision clocks
Chronometers, precision watches and timekeepers
Domestic clocks and watches
Other horological instruments
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Type
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Type
Type
Balance bridge
Beam model
Carrying case for H4 and K1
Case for H4
Chart
Chart; Print
Component model
Component model; Sectional model
Counter poise
Design, Sectional model
Display label
documentary artifact: cover, first day
documentary artifact: print
Drawing
First day cover
Front bearing cap
Gridiron and glass vial
Historic label from H4
K2
Key
Main spring
Mainspring
MAP-SHEET
Marine timekeeper
Marine timekeeper 'K1'
Movement
Negative
Octant
One day marine timekeeper
one day marine timekeeper.
Pair case, dial and hands for H4
Parts
Parts temporarily removed from John Harrison's H4 for Ships, Clocks and Stars exhibition.
Parts temporarily removed from John Harrison's H4 for Ships, Clocks and Stars exhibition.
Photograph album
Pins
Print
Print depicting John Harrison
Prints
Rear bearing cap
Roll film negative
Sectional model
Spatula
Support column
surveying & navigational t&e: octant
Thumbnail catch
timekeeper: chronometer(K3)
timekeeper: chronometer, marine (H4)
timekeeper: main spring(piece)
timekeeper: timekeeper, marine(H1)
timekeeper: timekeeper, marine(H2)
timekeeper: timekeeper, marine(H3)
timekeeper: timekeeper, marine (H4)
timekeeper: timekeeper, marine(H4)
timekeeper: timekeeper, marine(K1)
timekeeper: timekeeper, marine(K2)
Transport case
Watch 'K2'
water transport: fighting vessel: 4 gun boat (HMS)
water transport: fighting vessel: 4th rate (HMS)
water transport component: midship: beam, iron (plan for connecting)
water transport component: model, design: sectional model(midship: side)
Winding key
Materials
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Materials
Materials
brass
bronze
Cellulose nitrate negative
chalk
copper
diamond
enamel
engraving, stipple
glass
graphite
ivory
ivory (CITES)
lignum vitae
mahogany
metal
metal: brass
metal: enamel
metal: steel
mezzotint
oak
paper
pastel
plastic?
ruby
silver
steel
stipple engraving
textile
varnish
watercolour
wood
wood: mahogany
Display Location
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Display Location
Display Location
Display - Atlantic Gallery
Display - Pacific Encounters Gallery
Display - ROG
Not on display
Creator
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Creator
Creator
Gould, Rupert Thomas
Green, John
Harrison, John
Holl, W
Holl, William
Hooper, Lieutenant Geoffroy William Winsmore
Hopgood, R. J.
Jefferys, Thomas
Kendall, Larcum
King, Thomas
MOD Chronometer Workshops
Russell, John
Tassaert, Philippe Joseph
Unknown
William S Orr & Co
Wyllie, William Lionel
Places
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Places
Places
Barrow-upon-Humber
England
Harwich
London
Suriname
Unknown
Events
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Events
Events
Captain James Cook's 2nd and 3rd voyages
Vessels
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Vessels
Vessels
Bounty (purchased 1787)
Curtiss H4 Tractor Bi-plane Flying Boat (1915)
Deptford (1732)
H4 (1917)
Myrmodon 1861
Exhibition
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Exhibition
Exhibition
Ships, Clocks & Stars: The Quest for Longitude
Time and Longitude
People
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People
People
(Italy)
Bligh, William
Gould, Rupert Thomas
Harrison, John
King George II
Royal Greenwich Observatory
Royal United Service Institution
Century
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Century
Century
18th
19th
20th
unknown
Date Range
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Date Range
Date From
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1735
1739
1753
1755
1757
1759
1761
1768
1769
1771
1774
1835
1856
1901
1915
1916
1930
1957
1984
Date To
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1735
1739
1753
1757
1759
1761
1765
1768
1769
1771
1774
1781
1835
1850
1866
1915
1918
1930
1967
1984
2000
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showing 51 objects results for '
h4
'
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Octant
Spatula (Spatula)
K3 (Marine timekeeper)
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