colored light filters

bio_jxn at SHSU.EDU bio_jxn at SHSU.EDU
Fri Oct 6 15:10:01 EST 1995

Does anyone have a name, address, phone number of a source of light filters 
for experiments in a plant physiology lab?  I "inherited" small glass filters
but would like to set up an experiment in a large box with one side removed
and replaced with a large piece of filter of glass or "cellophane" type 
material.  The plastics person assured me his filters were not really
filters but just tinted plastic and would allow all wavelengths
to be transmitted.  I would like to be selective for red, blue and green.

Thank you in advance and thanks also to all who responded to the tissue
culture question several weeks ago.  The "plant-ed, net" is 
especially useful when teaching a new class with an extensive laboratory.
When extra time is scarce, this mode of inquiry/communication is 

Joan Hudson
Dept. of Biological Sciences
Sam Houston State University
Huntsville, TX

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