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Re: Glass....

I have a related question. Which glass are the prisms we buy from Edmund,
Cenco, Pasco, Fisher, etc.? The catalogs don't say, nor does any
documentation I can find. I'm looking for the index of refraction of the
prisms in a spectroscope experiment.

Don't you measure the index in the experiment?

Yes, and the value came out between the listed values for crown and flint.

Larry