Sunday, September 29, 2013

a new fangled way?

In an email, Manuel asked if I had heard of "collimation without tools?" Huh? No. How is that possible?


Later he shared that this was based on something he had read in the October Sky & Telescope magazine. I shall have to track that down. He description of the process was not very clear... And would require a, um, a screwdriver.

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