Thread: Ultrasonic joy
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Unread 06-04-2018, 11:37 AM   #12
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I beg to expand on Mr. Dawe's caution:

Please include lacquer thinner in the list of liquid dangers. I've recently had a box lock mainspring break on its own accord as it was still installed inside an action. The unit was merely soaking in lacquer thinner for a day. But... the spring was compressed.

Beware of cleaning ANY compressed flat spring in ANY medium!

Your "joy" may be short lived.
John Campbell is offline   Reply With Quote