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October 20, 2012

nice source for back of the envelope calculations

and a bit beyond...  For the astronomy and physics types out there.  I was trying to think of an old handbook I had back in the day ... it was Astrophysical Quantities by C.W. Allen (1973) and happens to be free on archive.org ---  It now lives on my MacBook and iPad in pdf...

20:04 in amateur science, Books, Science |

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