Recent content by BRTimmins

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    Looking for a Copy of Universe by Freedman and Kaufmann?

    Freedman and Kaufmann "Universe" Hi all, Has any kind soul got a copy of "Universe" by Freedman and Kaufmann that I may purchase from them at some economical price? I have just started an Astronomy Diploma at UCLAN and it is one of the set books. At £40 new it is a tad expensive for A Senior...
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    High School Spider free mount for secondary mirror

    Or sell your current telescope and buy a Catadioptric telescope which has a weak, correcting front lens on which the secondary is mounted.