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thought you might like to see this


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This is George frederick Wilhelm von struves refractor at his observatory in Tartu Estonia as you can see from the name it was built by a young Bavarian Optician by the name of Joseph fraunhofer yes thats he of the absorbtion spectrum fame this is the very instrument my 6th great grandfarther used in all his gold medal winning research work on Double stars it is now used to in stellar research by moscow state

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