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Re: Ashton Valve Co. 1871

Posted: Tue Sep 20, 2022 7:04 pm
by Rick A
A few ads featuring illuminated gages.

Re: Ashton Valve Co. 1871

Posted: Tue Sep 20, 2022 7:10 pm
by Rick A
I also picked up a pocket size caisson gage used to read air pressure in situations where a caisson was being used, ie: underwater bridge support construction.