Hartridge Reversion Spectroscope

Discussion of advanced microscopic and related instruments which may (or may not) have a gemological application.

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slscanada
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Joined: Tue Apr 15, 2014 10:04 pm

Hartridge Reversion Spectroscope

Post by slscanada »

I am in the process of fixing a Hartridge Reversion Spectroscope I bought it off eBay recently that shows only one spectrum.

After I took off the cover of the eye piece, I have found a 3/4 round shape glass that was half shattered. Does anyone knows if it is just a plain piece of glass with a black line in between to separate two spectrums, or is it a polarising/ diffraction grating filter?

Thanks in advance!

Sunny
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