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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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