<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div>Roberto,</div><div>it was called Nemo. Had pentagonal sections bonded.</div><div>I am vague on whether there was one or more made.</div><div>Here is a paper on the testing of it.</div><div><a href="http://www.dtic.mil/dtic/tr/fulltext/u2/715345.pdf">http://www.dtic.mil/dtic/tr/fulltext/u2/715345.pdf</a></div><div>I recall mention of it in the Stachiw book.</div><div><div class="kno-ecr-pt kno-fb-ctx _sdf" data-ved="0ahUKEwiIzZLA78jWAhWDmJQKHaiJBscQ3B0ILygBMAA" style="overflow: hidden; line-height: 20px; margin-bottom: 0px; position: relative; transform-origin: 0% 0%;"><span style="background-color: rgba(255, 255, 255, 0);">Handbook of Acrylics for Submersibles, Hyperbaric Chambers, and Aquaria</span></div><div class="_gdf kno-fb-ctx" style="overflow: hidden; line-height: 20px; margin: 0px;"><span data-ved="0ahUKEwiIzZLA78jWAhWDmJQKHaiJBscQ2koIMCgCMAA" style="background-color: rgba(255, 255, 255, 0);">Book by Jerry D. Stachiw.</span></div></div><div class="_gdf kno-fb-ctx" style="overflow: hidden; line-height: 20px; margin: 0px;"><span data-ved="0ahUKEwiIzZLA78jWAhWDmJQKHaiJBscQ2koIMCgCMAA" style="background-color: rgba(255, 255, 255, 0);">Did you get your free copy? Jon was advertising this!</span></div><div class="_gdf kno-fb-ctx" style="overflow: hidden; line-height: 20px; margin: 0px;"><span data-ved="0ahUKEwiIzZLA78jWAhWDmJQKHaiJBscQ2koIMCgCMAA" style="background-color: rgba(255, 255, 255, 0);">Hope this puts you on the right track.</span></div><div class="_gdf kno-fb-ctx" style="overflow: hidden; line-height: 20px; margin: 0px;"><span data-ved="0ahUKEwiIzZLA78jWAhWDmJQKHaiJBscQ2koIMCgCMAA" style="background-color: rgba(255, 255, 255, 0);">Alan</span></div><div class="_gdf kno-fb-ctx" style="overflow: hidden; line-height: 20px; margin: 0px;"><span data-ved="0ahUKEwiIzZLA78jWAhWDmJQKHaiJBscQ2koIMCgCMAA" style="background-color: rgba(255, 255, 255, 0);"><br></span></div><div><br><div>Sent from my iPad</div></div><div><br>On 29/09/2017, at 9:28 AM, roberto alvarez via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>> wrote:<br><br></div><blockquote type="cite"><div><div dir="ltr">Did some one have the link to the plexiglass sphere submersibles made on the 70's using the plexiglass sections to form the sphere', is a navy document on pdf, i forgot the name, thank´s</div><div class="gmail_extra"><br><div class="gmail_quote">2017-09-28 12:52 GMT-07:00 Alan via Personal_Submersibles <span dir="ltr"><<a href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.org</a>></span>:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="auto"><div>Pete,</div><div id="m_4523984784395374102AppleMailSignature">I see they are partnering with Triton to do this, so imagine</div><div id="m_4523984784395374102AppleMailSignature">it's just a more sexier look to a Triton submersible.</div><div id="m_4523984784395374102AppleMailSignature">Alan<br><br>Sent from my iPad</div><div><div class="h5"><div><br>On 29/09/2017, at 8:40 AM, Pete Niedermayr via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.<wbr>org</a>> wrote:<br><br></div><blockquote type="cite"><div><div style="color:#000;background-color:#fff;font-family:Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif;font-size:16px"><div id="m_4523984784395374102yui_3_16_0_ym19_1_1506627405882_6177" dir="ltr"><a href="https://www.bloomberg.com/news/articles/2017-09-28/aston-martin-has-built-a-4-million-submarine" class="m_4523984784395374102enhancr2_c51eaf50-7792-95d3-f0f2-87d2382dcf0b" id="m_4523984784395374102yui_3_16_0_ym19_1_1506627405882_6231" target="_blank">Aston Martin Has Unveiled a $4 Million Submarine</a><br></div><div><br></div><div id="m_4523984784395374102enhancr2_c51eaf50-7792-95d3-f0f2-87d2382dcf0b" class="m_4523984784395374102yahoo-link-enhancr-card m_4523984784395374102ymail-preserve-class m_4523984784395374102ymail-preserve-style" style="max-width:400px;font-family:'Helvetica Neue',Helvetica,Arial,sans-serif" dir="ltr"> <a href="https://www.bloomberg.com/news/articles/2017-09-28/aston-martin-has-built-a-4-million-submarine" style="text-decoration:none!important;color:#000!important" class="m_4523984784395374102yahoo-enhancr-cardlink" rel="noreferrer" id="m_4523984784395374102yui_3_16_0_ym19_1_1506627405882_6254" target="_blank"> <table class="m_4523984784395374102card-wrapper m_4523984784395374102yahoo-ignore-table" style="max-width:400px" id="m_4523984784395374102yui_3_16_0_ym19_1_1506627405882_6253" border="0" cellspacing="0" cellpadding="0"> <tbody id="m_4523984784395374102yui_3_16_0_ym19_1_1506627405882_6252"><tr id="m_4523984784395374102yui_3_16_0_ym19_1_1506627405882_6251"> <td id="m_4523984784395374102yui_3_16_0_ym19_1_1506627405882_6250" width="400"> <table class="m_4523984784395374102card m_4523984784395374102yahoo-ignore-table" style="max-width:400px" id="m_4523984784395374102yui_3_16_0_ym19_1_1506627405882_6249" width="100%" border="0" cellspacing="0" cellpadding="0"> <tbody 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style="background:#fff;width:95%;max-width:380px;border:1px solid #e0e4e9;border-bottom:3px solid #000000;margin-left:auto;margin-right:auto" border="0" cellspacing="0" cellpadding="0" align="center"> <tbody><tr> <td style="background-color:#ffffff;padding:16px 0 16px 12px;vertical-align:top"> <img class="m_4523984784395374102card-object-1 m_4523984784395374102yahoo-ignore-inline-image m_4523984784395374102ymail-preserve-class" src="https://s.yimg.com/nq/storm/assets/enhancrV2/23/logos/bloomberg.png" style="min-width:32px;border:1px solid #e0e4e9;margin-top:3px" height="32"> </td> <td style="vertical-align:middle;padding:16px 12px;width:99%"> <h2 class="m_4523984784395374102card-title" style="font-size:16px;line-height:19px;margin:0 0 4px 0;font-family:'Helvetica Neue',Helvetica,Arial,sans-serif;word-break:break-word">Aston Martin Has Unveiled a $4 Million Submarine</h2> <div class="m_4523984784395374102card-richinfo-primary" style="font-size:11px;line-height:15px;color:#999">By Sara Clemence</div> <div class="m_4523984784395374102card-description" style="font-size:11px;line-height:15px;color:#999;word-break:break-word">The British car company plans to begin revving its engines under water.</div> </td> <td style="text-align:right;padding:16px 12px 16px 0"> </td> </tr> </tbody></table> </td> </tr> </tbody></table> </td> </tr> </tbody></table> </a></div><div id="m_4523984784395374102yui_3_16_0_ym19_1_1506627405882_6322"><br></div></div></div></blockquote></div></div><blockquote type="cite"><div><span>______________________________<wbr>_________________</span><br><span>Personal_Submersibles mailing list</span><br><span><a href="mailto:Personal_Submersibles@psubs.org" target="_blank">Personal_Submersibles@psubs.<wbr>org</a></span><br><span><a href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" 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