16th century painting of Alexander the Great, lowered in a glass diving bell
Unknown author<span style="display: none;">Unknown author</span>, Credit: OAR/National Undersea Research Program (NURP); "Seas, Maps and Men"
<p>From <a rel="nofollow" class="external autonumber" href="http://www.photolib.noaa.gov/htmls/nur09514.htm">[1]</a> → <a rel="nofollow" class="external free" href="http://www.photolib.noaa.gov/bigs/nur09514.jpg">http://www.photolib.noaa.gov/bigs/nur09514.jpg</a>
</p><p>NOAA Photo Library, Image ID: nur09514, National Undersearch Research Program (NURP) Collection
</p>
16<sup>th</sup> century <div style="display: none;">date QS:P,+1550-00-00T00:00:00Z/7</div>