The World's Columbian Exposition 1893. Chicago, U.S.A. 1893
Official Catalogue With Illustrations issued by the Royal Danish Commission
År: 1893
Sider: 163
UDK: 061.4(100) Chicago
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146
DENMARK
determining
Ole Romer.
French expedition arrived at Copenhagen for the purpose of
e of Uranienborg. He assisted its
members, and .when they returned to
France, he accompanied them. Here
raising himself he worked at the
construction of the large fountains
of Versailles, and made his great
discovery in 1675. He returned to
Denmark 1681 to become a profes-
sor of astronomy at the University
of Copenhagen. But at the same
time he was active in a number of
practical situations which, among
other things, made him introduce uniformity of weights and
measures everywhere in Denmark, and .work out the first
register of land or general rental, making possible a uniform
assessment of all landed property in Denmark.
Tyge Brahe and Niels Stensen belonged to the circle of
the learned exclusively. There was a cleft between these men
and the common people. Although not giving it access to his
science Rømer was in communication with the people in
practical life; but not till H. C. Ørsted was the intercourse
brought about to its full extent.
Hans Christian Ørsted (1777—1851) who, after the dis-
covery by Volta of the Voltaic pile, engaged with eagerness
in the study of piles, was led into an extensive study of
natural philosophy, and in 1820 he discovered the influence
of electric currents on the magnetic needle. This' discovery
has been of a far-reaching importance on account of its appli-
cation to the electric telegraph, and it has rendered the name
of Ørsted world-famed. But to his country this ingenious