I am posting this for John Timmerman, Cape Fear Museum's exhibits designer.

Can anyone provide me with an answer to the following concern?

I am planning an interactive exhibit to demonstrate a tool of fabric
conservators.  It is to look at fabric samples under ultra violet (long
wave, 365 nm wave length) light to determine the composition of dyes or
stains on flags.

One is not suppose to view the light source (lamp) directly. I am proposing
to contain the exhibit within an enclosure.  The visitor will look into it
through an ultra violet screened glazing of either acrylic or glass, which
ever is less expensive.

My question:  Does ultra violet screened glazing block all the harmful
radiation effectively?  If someone stares directly at the light lamp
through the glazing, will the screening prevent harm to their eyes?  The
case will be built in such a way that casual viewing of the lamp (light
source) will not be possible.  If one were to get down low to the floor it
may be possible to see it. I want to cover all bases.

John Timmerman
Exhibits Designer
Cape Fear Museum
814 Market Street
Wilmington, North Carolina  28401-4731
910.341.4350 x 3021
910.341.4037 (fax)

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