That¡¯s not going to be
much good for alpha a 1 to 5 um would be best
Dud
?
From:[email protected] [mailto:[email protected]] On Behalf Of Geo Dowell Sent: Saturday, June 11, 2022 6:54
AM To:[email protected] Subject: Re: Alpha and Beta
particle nuclear decay studies. FOCUS: Air Filters for Radiation Detection
?
Found another reel, this one is probably for prefilter of air, or for
water, Whatman grade 41, 3-5/8" wide by 83m. part # 1441 6229