Rear bearing cap
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.
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Object Details
ID: | ZAA0036.3 |
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Type: | Rear bearing cap |
Display location: | Not on display |
Creator: | Harrison, John |
Date made: | 1757 |
Credit: | National Maritime Museum, Greenwich, London |
Measurements: | Overall: 62 x 67 x 11 mm |
Parts: | H3 (Marine timekeeper) |
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