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Post by pickinduck on Mar 19, 2016 17:54:16 GMT -6
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Post by pickinduck on Mar 20, 2016 12:30:17 GMT -6
That seems like a lot of effort to me.
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Post by sherlew99 on Mar 20, 2016 13:20:08 GMT -6
Yes, fascinating as it is, I agree. It's amazing to think that people actually used to do all this work to make telescopes a long time ago.
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Post by pickinduck on Mar 21, 2016 7:43:52 GMT -6
It wasn't that long ago.
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