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    Re: Molasses as an artificial horizon
    From: UNK
    Date: 2017 Oct 3, 06:53 -0700

    If you can tolerate the advertising, sciplus.com has cheap first surface mirrors:
    https://www.sciplus.com/p/MIRROR-FIRST-SURFACE70MM-X-194MM-X-3MM-THK_27374

    Not so many now but there is a 70x194x3 mm for $3.95 and I’ve had good experiences with the company.
    I think that someone posted that almost any newer glass is flat enough for AH purposes.
    Regards, Noell

       
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