Re: crushed walnut shells and Tek 500 series scopes


Phillip Potter
 

This would explain how a piece of shell came to be inside my latest acquisition, a Tek 310 ser#94... thanks for this!

Phil

On 1/15/2021 11:28 PM, ditter2 via groups.io wrote:
The solder rosin was removed from the ceramic strips with an air propelled abrasive cleaning method using – crushed walnut shells.

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