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EdCa Offline
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Posts: 40
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#4
02-28-2018, 11:14 AM
I was reading about an UV lamp that kills bacteria in a domestic water supply. The directions said to only view the UV light through a normal pane of glass. So, the glass filters on our sextants will block the UV rays and protect our eyes.

Ed
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Messages In This Thread
Filters - by Speicus - 02-17-2018, 03:21 PM
RE: Filters - by Rdutton - 02-17-2018, 09:51 PM
RE: Filters - by Rumata - 02-18-2018, 12:38 AM
RE: Filters - by EdCa - 02-28-2018, 11:14 AM
RE: Filters - by Rumata - 03-02-2018, 03:10 AM
RE: Filters - by Speicus - 03-14-2018, 10:24 PM
RE: Filters - by P.Rutherford - 03-15-2018, 07:54 PM

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