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Item Category
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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
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
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Materials
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Materials
Materials
brass
bronze
copper
diamond
enamel
engraving, crayon manner
glass
lignum vitae
metal
mezzotint
oak
paper
ruby
silver
steel
wood: lignum vitae
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Display Location
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Display Location
Display Location
Display - ROG
Not on display
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Creator
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Creator
Creator
Gould, Rupert Thomas
Hall, Francis
Harrison, John
Hogarth, J.
Holl, Francis
Smith, John Raphael
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Places
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Places
Places
Barrow-upon-Humber
London
Unknown
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Exhibition
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Exhibition
Exhibition
Ships, Clocks & Stars: The Quest for Longitude
Time and Longitude
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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
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Century
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Century
Century
18th
19th
unknown
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Date From
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1735
1737
1745
1757
1759
1760
1775
1804
1852
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1735
1740
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)
George Wallis. The late Celebrated Antiquary & Gunsmith of Hull (Print)
Sir George Francis Seymour 1787-1870 (before title) (Print)
Clock parts
Mainspring
Small card pill box containing a 45 mm piece of H4’s mainspring (Main spring)
Watch parts
The Late Regulator (Clock)
Pins
H1 (Marine timekeeper)
H3 (Marine timekeeper)
H4 (Marine timekeeper)
Winding key
Part of John Harrison's third timekeeper (H3) (Drawing)
40mm long piece of H4’s mainspring (Main spring)
Clock parts
Clock parts
Design for new grasshopper pallet
Watch part
Grasshopper pallet (Grasshopper pallet)
Sir George Francis Seymour, 1787-1870 (before title) (Print)
Watch parts (Timekeeper: clock(parts); Watch parts; manuscript)
Marine timekeeper parts
Drawing of a turret clock escapement (Drawing)
Gridiron and glass vial
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