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Old 17th May 2021, 9:41 pm   #37
Radio Wrangler
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Join Date: Mar 2012
Location: Fife, Scotland, UK.
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Default Re: HP 180A Oscilloscope.

The foam is to stop vibration shaking the capacitors and causing hinge-like flexing leading the the leads fatiguing off. Some have to endure lots of transportation in their working lives. So during development HP products spent a lot of time on shaking tables doing accelerated life testing to find weaknesses.

David
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