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    Re: Can You Bias Ho?
    From: Peter Monta
    Date: 2014 Apr 1, 22:43 -0700
    Here are a couple of links describing pentaprism attachments for sextants---search for "penta" within the pages.  Only de Hilster's site shows a photo, though; the prism is evidently in the horizon-mirror path.

    http://www.jgarraio.pt/index.php?main_page=product_info&cPath=1053&products_id=17634&subtemplate=mc&language=en
    http://www.dehilster.info/index.php

    Cheers,
    Peter

       
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