Telescope Building with John Dobson
Dobson Astro-Initiatives · 4 则 HN 推荐
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A roughly 90-minute film of John Dobson building a Dobsonian telescope step by step, including hand-grinding the mirror.
HN 推荐的原因： Recommended to anyone interested in telescope making as a guide from Dobson himself.
“Here's a 90 minute youtube video on how to build one, with John Dobson himself” 阅读 HN 讨论 ↗