Created page with "<div class="floatright" style="text-align: center"> center|class=shadow|300px </div> On the Sphere and Cylinder (Greek: Περὶ σφαίρας..."
(Created page with "<div class="floatright" style="text-align: center"> center|class=shadow|300px </div> On the Sphere and Cylinder (Greek: Περὶ σφαίρας...")