The Discovery

America was discovered by [Columbus(1492)], as illustrated in Figure $[*]$ . Without the use of the compass, this would never have been possible. In fact, this could be considered the most important (and only) contribution of the geomagnetism to the development of the American continent. A portrait of Christopher Columbus is shown in Plate $[*]$ .

**Figure:** A map showing the route of [*Columbus*(1492)] from the Old to the New World. His real route is shown with a solid line, that that he might have taken without a compass is drawn as a dashed line.
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$\begin{plate*} % latex2html id marker 32\centering \fboxsep=0pt\fbox{% \ift... ...on{ A portrait of Christopher Columbus, the discoverer of America.} \end{plate*}$

The subsequent taming of the West took place with considerable quantities of lead, but since this non-magnetic, there are not geomagnetic variances attributed to it.