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04-10-2005, 05:18 AM
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#2 |
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User
Join Date: Jan 2003
Location: Norway
Posts: 288
Thanks: 20
Thanked 34 Times in 19 Posts
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Craig,
As far as I know the introduction of the coil main spring was a result of a Dutch requirement in 1904. I'm sure others on this board will be able to give you more details. Balder |
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