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EULOGIUM OF SANDEL. 9
unwilling to exercise the functions of it before he had
acquired a perfect knowledge of Metallurgy : thus he is
by no means to be ranked in the number of those, who,
without capacity, solicit places, and have not the know
ledge requisite for filling them. He had obtained this
office without soliciting it. He was already well skilled
in certain sciences, which alone would render him very
useful in his situation : it was even very easy for him to
acquire the knowledge in which, for this office, he might
be deficient, since Mathematics and Physics, which he
had hitherto made his principal studies, are the basis of
the science of mines. But he could not be satisfied with
theory alone without practice : nor was he any better
satisfied with the experience which may be acquired in a
chemical laboratory, nor with an acquaintance with the
mines of Sweden only, and with the buildings, machines,
and processes used in working them. He therefore, in
1721, undertook a second journey to foreign countries,
to examine their mines and smelting-works, particularly
those of Saxony and the Hartz. But we ought not to
say that he went to examine their mines only for of all
that could fix the attention of a traveller, there was nothing
that escaped him.
-
:
During his stay in the country of Brunswick, the
reigning sovereign, Duke Lewis Rodolph, gave him full
liberty to travel in his dominions, and, at his departure,
made him a present of his medallion in gold and of
another in silver. In this journey he acquired new stores
of knowledge, and enriched science with the following
new works :
1. Prodromus Principiorum Rerum Naturalium, sive
Novorum Tentaminum, Chemiam et Physiciam
Experimentalem Geometrice Explicandi.
2. Nova Observata et Inventa circa Ferrum et Ignem,
præcipue circa Naturam Ignis Elementarem : una
cum Nova Camini Inventione.
3. Methodus Nova Inveniendi Longitudinis Locorum
Terra Marique, Ope Lunæ.*
These three works have gone through three editions.
B2
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