[PSUBS-MAILIST] (no subject)

Wed Sep 23 17:05:00 EDT 2020

This big gob of steel is my new  bolt on pressure chamber to pressure test my dome. This part is 3 inches thick, plus there is a 1 inch thick cap on top. It all bolts over the dome, then filled with water and pressured up with a hydraulic hand pump.  
Hank

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