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Cross ribbon
Front bearing cap
Key
Marine timekeeper
Rear bearing cap
Support column
timekeeper: timekeeper, marine(H1)
timekeeper: timekeeper, marine(H2)
timekeeper: timekeeper, marine(H3)
timekeeper: timekeeper, marine(H4)
Winding key
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Harrison, John
Hopgood, R. J.
Thomas Mercer Chronometers
Unknown
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Barrow-upon-Humber
London
Unknown
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Ships, Clocks & Stars: The Quest for Longitude
Time and Longitude
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Gould, Rupert Thomas
Harrison, John
King George II
Royal Greenwich Observatory
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18th
unknown
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1735
1737
1739
1757
1759
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1735
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showing 11 objects results for '
ZAA0034
'
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Finding reference (desc)
Winding key
Cross ribbon
H2 (Marine timekeeper)
Winding key
Winding key
Front bearing cap
Rear bearing cap
H4 (Marine timekeeper)
Support column
H3 (Marine timekeeper)
H1 (Marine timekeeper)
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