Posted by Russ/Colo [172.68.35.41] on Thursday, December 29, 2022 at 20:38:23 :
In Reply to: Re: oil pressure switch... posted by john eickhof [172.69.42.34] on Tuesday, December 27, 2022 at 19:53:45 :
Known as Murphy switches when I was supervising a dredging crew.