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John Harrison:
I may not be spared to complete another watch, but I've begun one. It will not, gentleman, be a copy, because I am mindful of the Act of Queen Anne, to which I've clung for over 50 years like a, like a shipwrecked sailor to a barrel -- "to be practical," and that's been my gospel and my creed. I have an idea that the heat compensation must be within the balance of the watch and not around it. And this morning I made this. [He shows a heat-compensated balance wheel.] John Harrison:
I tried the idea in my first sea clock, over 40 years ago. I failed. I didn't undertand it; so much I didn't understand. A compensating balance wheel will simplify the adjustment of the machine, so others may make my watches more easily... should God grant me the time to complete my labours
I may not be spared to complete another watch, but I've begun one. It will not, gentleman, be a copy, because I am mindful of the Act of Queen Anne, to which I've clung for over 50 years like a, like a shipwrecked sailor to a barrel -- "to be practical," and that's been my gospel and my creed. I have an idea that the heat compensation must be within the balance of the watch and not around it. And this morning I made this. [He shows a heat-compensated balance wheel.] John Harrison:
I tried the idea in my first sea clock, over 40 years ago. I failed. I didn't undertand it; so much I didn't understand. A compensating balance wheel will simplify the adjustment of the machine, so others may make my watches more easily... should God grant me the time to complete my labours
Full Transcript
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I'm sure she is
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Thank you
00:00:07.076 --> 00:00:10.043
So there's two bedrooms a small attic room
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and this is the sitting room
00:00:16.002 --> 00:00:19.027
I see that the machine has already chosen its quarters
00:00:19.036 --> 00:00:22.083
The money the Board has given is to pay for a new timepiece
00:00:22.092 --> 00:00:24.087
Not much left for us I'm afraid
00:00:24.096 --> 00:00:27.034
It's the best I could do How long
00:00:28.044 --> 00:00:31.001
Two years at most And then we go home
00:00:31.012 --> 00:00:35.047
Then we go home Right let's get started then
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Movie Summary
In two parallel stories, the clockmaker John Harrison builds the marine chronometer for safe navigation at sea in the 18th Century and the horologist Rupert Gould becomes obsessed with restoring it in the 20th Century.

