Mirror Making: DIY Spherometer Part 2, Calibrating and Using the Instrument

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Uploaded by on Mar 20, 2010

In Part 2, Gordon shows how to calibrate the three-ball spherometer, and how to use the instrument to determine the radius of a telescope mirror.

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  • nice video iv been thinking of trying to make my own mirrors for a bit now look easy for the most part. where may i ask do u get the preformed mirror blank? and where do you get you qurtz blanks also? and is the qurtz good compared to pryrex? would you be willing to answer quistions if i have hicup along the way? thank josh

  • great vid tyvm

  • Gordon, thanks for these videos! Your lesson was easy to follow along with and made perfect sense. Can't wait to see more! I subscribed and encourage others to do so as well. Thanks again!

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