[time-nuts] Heated crystal? & Rb tube corrosion (FE-5680A)

Arthur Dent golgarfrincham at yahoo.com
Thu Dec 1 09:52:01 EST 2011

The referenced photos are poor quality and taken in tungsten lighting 
so you really can't see much from them. Here is a photo I just took of 
a somewhat similar 5650A that may be new so it is still pretty shiny. 



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