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Making a Telescope Mirror Tool from Dental Stone Part Four

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Uploaded by on Jan 23, 2008

In this edition of the Amateur Telescope Maker's Workshop we cure the tool in the oven, then we coat the top of the tool with a mixture of pitch and turpentine and place the tool in the oven for further heat treatment

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Science & Technology

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Uploader Comments (foreilly1958)

  • You caught me!

    I relized the error when I was formatting the video for YouTube, I was tired from a long day at work that night and I made the error, much like incorrectly dating a check with the last year in January. (Does anyone write checks anymore?) As the error did not affect the information presented, I let it go.

    Best regards,

    FRancis J. O'Reilly

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  • Nice video.

    December 10th 2008!! I can see the future on youTube.

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