<html><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:10pt"><div class="" style=""><span class="" style="">Just downloaded the Sea Technologies buyers guide,</span></div><div class="" style="background-color: transparent;"><a href="http://stbuyersguide.epubxp.com/t/33126/" class="" style="">Sea Tech Buyers Guide - 2014</a><br class="" style=""></div><div style="width:450px; font-family: 'Georgia', 'Times', 'Times New Roman', 'serif';" contenteditable="false" id="enhancrCard_0" class=""><table class="" cellspacing="0" cellpadding="0" style="width:450px; height:170px; position: relative; margin-top:5px; margin-bottom: 5px; display: block;"><tbody class="" style=""><tr class="" style=""><td colspan="6" class="" style="height: 1px; background-color: #e5e5e5;"><div class="" style="height: 1px; background-color: #e5e5e5;"></div></td></tr><tr class=""
style=""><td rowspan="2" class="" style="width: 1px; background-color: #e5e5e5;"><div class="" style="width: 1px; background-color: #e5e5e5;"></div></td><td class="" rowspan="2" style="vertical-align: middle; width: 168px; height: 168px; background-color: #000000;"><div class="" style="width: 168px;" align="center"><a href="http://stbuyersguide.epubxp.com/t/33126/" class="" style="text-decoration: none !important; color: #000000 !important;"><img alt="image" src="http://cdn.epubxmag.com/files/aT0yNTU0NzgmcD0wJnY9MTMmY21kPXYmc2lnPTY3ZDQwODJkMzdlYjVlZjIwM2RjNzYwNDEwNDJiNDIz/-w-450-80.jpg" class="" width="123" height="168" style="display: block; margin: auto;"></a></div></td><td rowspan="2" class="" style="width: 1px; background-color: #e5e5e5;"><div class="" style="width: 1px; background-color: #e5e5e5;"></div></td><td class="" colspan="2" style="width: 100%; vertical-align: middle; font-family: 'Georgia', 'Times', 'Times New Roman', 'serif';"><div
class="" style="line-height:16.5px; background-color: #ffffff; height: 130px; width: 279px;"><div class="" style="word-wrap: break-word; padding: 7px 20px 0px 14px;"><span class="" style=""></span><span class="" style=""></span><a href="http://stbuyersguide.epubxp.com/t/33126/" class="" style="text-decoration: none !important; color: #000000 !important;"><span class="" style="margin: 0; font-weight: normal;margin-bottom: 4px; font-size: 18px; line-height: 21px; max-height: 43px; color: #000000; overflow: hidden !important; display: inline-block;">Sea Tech Buyers Guide - 2014</span></a><div style="font-size: 13px; line-height: 20px; color: #999999; max-height: 81px; font-family: 'Georgia', 'Times', 'Times New Roman', 'serif';overflow: hidden;" class="">The Sea Technology Buyers Guide/Directory is the only complete directory serving the ocean/marine/offshore communit...</div></div></div></td><td class="" rowspan="2" style="width: 1px; background-color:
#e5e5e5;"><div class="" style="width: 1px; background-color: #e5e5e5;"></div></td></tr><tr class="" style=""><td class="" style="width: 100%; vertical-align: middle; font-family: 'Arial', 'Helvetica Neue', 'Helvetica', 'sans-serif';"><div class="" style="font-size: 0pt; padding: 7px 20px 9px 15px;"><a href="http://stbuyersguide.epubxp.com/t/33126/" class="" style="color: black; text-decoration: none !important;cursor:pointer !important;" target="_blank"><span class="" style="display: inline-block; line-height: 11px; max-width: 179px; min-width: 119px; overflow: hidden; max-height: 13px; word-break: break-all;"><span class="" style="vertical-align:middle; font-size: 9px; line-height: 11px; color: #999999; -moz-text-size-adjust: none; -ms-text-size-adjust: none; -webkit-text-size-adjust:none; text-size-adjust:none;">View on <span style="font-weight: bold" class="">stbuyersguide.epubxp.com</span></span></span></a></div></td><td class=""
style="vertical-align: middle; width: 100px; font-family: 'Arial', 'Helvetica Neue', 'Helvetica', 'sans-serif';"><div class="" style="padding: 9px 20px 12px 0px; max-width: 100px; min-width: 80px; overflow: hidden; text-align: right; line-height: 11px; max-height: 13px; font-size: 0pt;"><span class="" style="vertical-align:middle; font-size: 9px; line-height: 11px; color: #999999; -moz-text-size-adjust: none; -ms-text-size-adjust: none; -webkit-text-size-adjust:none; text-size-adjust:none;">Preview by Yahoo</span></div></td></tr><tr class="" style=""><td class="" colspan="6" style="height: 1px; background-color: #e5e5e5;"><div class="" style="height: 1px; background-color: #e5e5e5;"></div></td></tr></tbody></table></div><div class="" style="">One of the companies I looked at was an underwater housing manufacturer called Prevco.</div><div class="" style="">Their alluminium housings are anodized & all housings have a double piston seal as a standard
configuration.</div><div class="" style="">Some even have two face seals & two piston seals. Great to know how the experts do it.</div><div class="" style=""><a href="http://prevco.com/products/subsea-housings/seal-configuration" class="" style="">http://prevco.com/products/subsea-housings/seal-configuration</a><br class="" style=""></div><div class="" style="color: rgb(0, 0, 0); font-size: 13.333333969116211px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; background-color: transparent; font-style: normal;">Alan</div><div class="" style=""><br class="" style=""></div> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 10pt;" class=""> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 12pt;" class=""> <div dir="ltr" class="" style=""> <hr size="1" class="" style=""> <font size="2"
face="Arial" class="" style=""> <b class="" style=""><span style="font-weight:bold;" class="">From:</span></b> Alec Smyth via Personal_Submersibles <personal_submersibles@psubs.org><br class="" style=""> <b class="" style=""><span style="font-weight: bold;" class="">To:</span></b> Personal Submersibles General Discussion <personal_submersibles@psubs.org> <br class="" style=""> <b class="" style=""><span style="font-weight: bold;" class="">Sent:</span></b> Wednesday, May 14, 2014 8:26 AM<br class="" style=""> <b class="" style=""><span style="font-weight: bold;" class="">Subject:</span></b> Re: [PSUBS-MAILIST] Lights<br class="" style=""> </font> </div> <div class="" style=""><br class="" style=""><div id="yiv7899086133" class="" style=""><div class="" style=""><div dir="ltr" class="" style="">The Trustfire lights are anodized aluminum and the Buyers lights are powder coated aluminum. The powder coating gives the impression of being
considerably more rugged, but we shall see in real life I suppose. <div class="" style="">
<br clear="none" class="" style=""></div></div><div class="" id="yiv7899086133yqt05046" style=""><div class="" style=""><br clear="none" class="" style=""><br clear="none" class="" style=""><div class="" style="">On Tue, May 13, 2014 at 2:17 PM, via Personal_Submersibles <span dir="ltr" class="" style=""><<a rel="nofollow" shape="rect" ymailto="mailto:personal_submersibles@psubs.org" target="_blank" href="mailto:personal_submersibles@psubs.org" class="" style="">personal_submersibles@psubs.org</a>></span> wrote:<br clear="none" class="" style="">
<blockquote class="" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">Alec:<br clear="none" class="" style="">
<br clear="none" class="" style="">
Are the housings made of Aluminum or Magnesium that would explain the white spots. Both are near the bottom of the galvanic scale with zinc being the most sacrificial.<br clear="none" class="" style="">
<br clear="none" class="" style="">
John K.<br clear="none" class="" style="">
<a rel="nofollow" shape="rect" class="" style="" href="">(203) 414-1000</a><br clear="none" class="" style="">
Sent via BlackBerry by AT&T<br clear="none" class="" style="">
<div class="" style=""><br clear="none" class="" style="">
-----Original Message-----<br clear="none" class="" style="">
From: Alec Smyth via Personal_Submersibles <<a rel="nofollow" shape="rect" ymailto="mailto:personal_submersibles@psubs.org" target="_blank" href="mailto:personal_submersibles@psubs.org" class="" style="">personal_submersibles@psubs.org</a>><br clear="none" class="" style="">
Sender: Personal_Submersibles <<a rel="nofollow" shape="rect" ymailto="mailto:personal_submersibles-bounces@psubs.org" target="_blank" href="mailto:personal_submersibles-bounces@psubs.org" class="" style="">personal_submersibles-bounces@psubs.org</a>><br clear="none" class="" style="">
Date: Tue, 13 May 2014 11:08:51<br clear="none" class="" style="">
To: Personal Submersibles General Discussion<<a rel="nofollow" shape="rect" ymailto="mailto:personal_submersibles@psubs.org" target="_blank" href="mailto:personal_submersibles@psubs.org" class="" style="">personal_submersibles@psubs.org</a>><br clear="none" class="" style="">
</div><div class="" style="">Reply-to: Personal Submersibles General Discussion<br clear="none" class="" style="">
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</div><div class="" style=""><div class="" style="">Subject: Re: [PSUBS-MAILIST] Lights<br clear="none" class="" style="">
<br clear="none" class="" style="">
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