<html><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px"><div id="yiv0671182547"><div id="yui_3_16_0_1_1434837662543_2531"><div style="color:#000;background-color:#fff;font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px;" id="yui_3_16_0_1_1434837662543_2530"><div id="yiv0671182547yui_3_16_0_1_1434837221361_2444" dir="ltr">I keep seeing adds for heads up displays.</div><div id="yiv0671182547yui_3_16_0_1_1434837221361_2444" dir="ltr">They look very cool & would probably work well in a submarine with low light conditions.</div><div id="yiv0671182547yui_3_16_0_1_1434837221361_2444" dir="ltr">There are marine versions. One on Ebay at the moment. </div><div id="yiv0671182547yui_3_16_0_1_1434837221361_2444" dir="ltr">How to build a cheap version...http://lifehacker.com/how-to-build-a-heads-up-display-for-your-car-1129913775</div><div id="yiv0671182547yui_3_16_0_1_1434837221361_2444" dir="ltr">Tailer made full windscreen ...http://www.superimaging.com/hud.html</div><div id="yiv0671182547yui_3_16_0_1_1434837221361_2444" dir="ltr"><img src="http://www.hurricanehunters.com/images/gallery_flying/gallery7.jpg" class="" style="" id="yui_3_16_0_1_1434837662543_2705" data-id="e4b345aa-a9f7-a54c-fd6a-0d053bde70f9"><br></div><div id="yiv0671182547yui_3_16_0_1_1434837221361_2444" class="yiv0671182547" style="">Alan</div></div></div></div></div></body></html>