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Xringer · 10-23-09, 07:05 AM

I did check it out on the web and found some good reports.
That used 4501 went for $95.30 last night.

I'm reluctant to spent that much, since these;

are available New for $114, and one of these might be suitable for my needs.

What model did you buy?

Oh yeah, yesterday I picked up some fittings that I can use to make
a micro Bell-Jar experiment. I'll mess with that today, since my
3 quarts of RobinAir vacuum pump oil is coming in today.

10-23-09, 07:05 AM	#6
Xringer Lex Parsimoniae Join Date: Feb 2009 Location: Woburn, MA Posts: 4,918 Thanks: 114 Thanked 250 Times in 230 Posts	Supco VG60 Portable Hand-Held Vacuum Indicator Gauge I did check it out on the web and found some good reports. That used 4501 went for $95.30 last night. I'm reluctant to spent that much, since these; are available New for $114, and one of these might be suitable for my needs. What model did you buy? Oh yeah, yesterday I picked up some fittings that I can use to make a micro Bell-Jar experiment. I'll mess with that today, since my 3 quarts of RobinAir vacuum pump oil is coming in today.