Thread
:
Vacuum tester
View Single Post
12-27-2019, 09:56 PM
#
2
alexiskai
Senior Member
Join Date: Apr 2018
Location: Mebane NC
Posts: 2,360
Re: Vacuum tester
Pressure gauges have been around since the dawn of steam engines, and a vacuum gauge is just an inverted pressure gauge, so it's a good bet there were contemporary vacuum gauges and a testing protocol associated with them.
Sponsored Links (Register now to hide all advertisements)
alexiskai
View Public Profile
Send a private message to alexiskai
Find More Posts by alexiskai