Day: 27 April 2018
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How to build a telescope – Crayford Focuser – 10″ Dobsonian
How to build a telescope – Crayford Focuser – 10″ Dobsonian Years ago just after we had the Internet installed in our house (haha that’s right, years ago! Believe it or not, once upon a time there was no Internet!), I was getting the hang of surfing around the web and stumbled on a link…