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Why I didn't drill the glass for the wire?

A project log for Cookie JAR clock of passion

A clock built inside a mineral oil filled jar.

Marius TaciucMarius Taciuc 11/14/2020 at 02:310 Comments

I did drill a hole into the glass for my last similar project. I sealed it up with transparent silicone and I was very happy that it didn't leak. At least this is what I thought at the moment. Several months later I noticed that the power brick that I had under the desk was all greasy and it was having an oily aspect. When I was putting my hand on it I could feel my fingers oily afterwards. I realized that the oil was very slowly leaking through the core of the threaded wire from the jar into the power brick below. 

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