Thread: tube rings for williams optical 132mm OTA And getting it operational
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Old 03-11-2019, 08:43 PM
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h0ughy (David)
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Location: NEWCASTLE NSW Australia
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Just a thought, can you successfully make out of hardwood timber ring blocks.? I already have the top and bottom losmandy bars. So if I made them thick and lined with felt and protected with paint?
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