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COSC standards  Rate Topic 
 Posted: Tue Nov 21st, 2006 02:43 pm
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Johnny P

Joined: Thu Nov 3rd, 2005
Location: USA
Posts: 1784

The next three test periods determine how much the rate varies between three different temperatures — 8°, 23° and 38°C. Excessive changes in the rate could show that the balance-spring alloy is not up to standard.:D



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 Posted: Tue Nov 21st, 2006 05:34 pm
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Joined: Tue Apr 4th, 2006
Location: Kentucky USA
Posts: 2722
The temp. test will show if the allow was not mixed in the proper proportions or just mixed enough to get a homogeneous mixture.  Have not read the attachments but will when I have a second. It will also show that the corect lubricants were used at the proper locations, to viscous will slow a irregular amount at -8 deg C.

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