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    Re: Clear side of horizon mirrors has reflecting properties.
    From: John Clements
    Date: 2020 Oct 15, 22:51 -0700

    I'm hoping I can take this opportunity to thank you for a fantastically informative volume; there's an incredible volume of history and experience, presented with astonishing clarity and a remarkable set of illustrations. I've referred to this book constantly in some admittedly very casual adjustment of a 1960s C. Plath and a Bendix Mark II.

    I have one very humble request: if there is a second edition, I wonder if it might be possible to provide a few cross-references in later sections to information that appears earlier, in what I recall as the "teardown" section; I spent many minutes flipping back and forth through the pages labeled Horizon Mirror before finally discovering the information about the adjustment of the Horizon mirror on a Mark II much earlier in the book.

    Again: this is a remarkable and indispensible book. The more I learn, the more I appreciate the volume of knowledge it contains, and the complete lack of said information in other places one might expect to find it (most notably Wikipedia). Thanks!

    Yours in gratitude,

    John Clements

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