not being interruptedby mountains or any great inequalities in the surface, isbounded on all sides by the horizon. When a vesselappears in sight, the masts are always seen before thehull. A vessel can sail round the world and come backto her starting-point without changing the direction ofher… … DIAGRAM OF MATHEMATICAL FIGURES. 1. A sphere is a solid bounded by a surface, all pointsof which are equally distant from a point within calledthe centre. ENTRODUCTIOJSi. 2. The circumference of a sphere is the curved lineencompassing it. 3. The diameter of a sphere is a straight line…
Atlases
Internet Archive · Western University Libraries · Public Domain Mark 1.0. Free to use for anything.
