PolytheneSam (Master Searcher)
04-07-02 10:40
No 293727
      UV  Bookmark   

I found a picture of a UVS-11 Mineralight.  I got a UVS-12 from a thrift store for $2.  It came in a box along with various rock specimens.  It says shortwave UV on the box.  I used something like it in a couple chemistry and biochemistry courses for making spots visible when doing TLC.

The hardest thing to explain is the obvious