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Explore our Collection
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Item Category
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Item Category
Item Category
Timekeeping
Timekeeping
Show all
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
Clock
Clock parts
Design for new grasshopper pallet
Drawing
Front bearing cap
Grasshopper pallet
Gridiron and glass vial
Key
Main spring
Mainspring
Manuscript
Marine timekeeper
Marine timekeeper parts
Pins
Print
Rear bearing cap
timekeeper: clock(parts)
Timekeeper: clock(parts); Watch parts; manuscript
timekeeper: main spring(piece)
timekeeper: pallet, grasshopper(part)
timekeeper: regulator, astronomical
timekeeper: timekeeper, marine(H1)
timekeeper: timekeeper, marine(H2)
timekeeper: timekeeper, marine(H3)
timekeeper: timekeeper, marine(H4)
Watch part
Watch parts
Winding key
Materials
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Materials
Materials
brass
bronze
copper
diamond
enamel
engraving, crayon manner
glass
lignum vitae
mahogany
metal
mezzotint
oak
paper
ruby
silver
steel
wood
Display Location
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Display Location
Display Location
Display - ROG
Not on display
Creator
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Creator
Creator
Gould, Rupert Thomas
Hall, Francis
Harrison, John
Hogarth, J.
Holl, Francis
Smith, John Raphael
Places
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Places
Places
Barrow-upon-Humber
London
Unknown
Exhibition
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Exhibition
Exhibition
Ships, Clocks & Stars: The Quest for Longitude
Time and Longitude
People
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People
People
Allix, Charles
Gould, Rupert Thomas
Harrison, John
King George II
Royal Astronomical Society
Royal Greenwich Observatory
Seymour, of the Fleet George Francis
Smith, William
Vogel, Karl
Wallis, George
Century
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Century
Century
18th
19th
unknown
Date Range
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Date Range
Date From
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1735
1739
1745
1750
1755
1757
1759
1775
1804
1852
Date To
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1735
1739
1745
1757
1759
1760
1765
1776
1804
1852
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Harrison, John
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showing 27 objects results
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Object title/name
Object title/name (desc)
Finding reference
Finding reference (desc)
Sir George Francis Seymour, 1787-1870 (before title) (Print)
Gridiron and glass vial
Front bearing cap
Rear bearing cap
H2 (Marine timekeeper)
Drawing of a turret clock escapement (Drawing)
Watch parts (Timekeeper: clock(parts); Watch parts; manuscript)
Clock parts
Clock parts
40mm long piece of H4’s mainspring (Main spring)
Marine timekeeper parts
Grasshopper pallet (Grasshopper pallet)
Watch part
Design for new grasshopper pallet
George Wallis. The late Celebrated Antiquary & Gunsmith of Hull (Print)
Sir George Francis Seymour 1787-1870 (before title) (Print)
Part of John Harrison's third timekeeper (H3) (Drawing)
H4 (Marine timekeeper)
Winding key
H3 (Marine timekeeper)
H1 (Marine timekeeper)
The Late Regulator (Clock)
Watch parts
Mainspring
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