Collier's New Encyclopedia

A complete general encyclopedia of 1921 — the world as it was understood just after the Great War, from Aachen to Zwingli, across twelve volumes and six thousand pages.

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Eiffel Tower

THE, a notable structure in Paris, France. The plans EIGG for the Paris exposition of 1889 included a monstrous iron tower, to be raised on the Champs-de-Mars, 1,000 feet high. The designer, Gustave Eiffel, constructed it of iron lattice-work, with three elevators giving access to the summit. The uses of so stupendous an undertak- ing are many, and it became one of the chief permanent ornaments of the city.

Its importance from a meteorological point of view cannot be overestimated, the tower enabling meteorologists to study the decrease of temperature at different heights, to observe the variations of winds, and to find out the quantity of rain that falls at different heights, and the density of the clouds.

Indeed, in all that relates to temperature, hygrometry, air currents and the composition of the air the tower affords opportunities for study and research, many of which have hitherto been impossible. It is equally useful to astronomers. In the World War (1914-1918) the tower was employed as a wireless telegraph station.

EIGHT-HOUR DAY steam-driven machinery in England, in the early part of last century, together with the factory system, manufacturers gained almost autocratic control of the hundreds of thousands of workers at ance. Twelve and fourteen hours were the average, while women and children ance. the average, while women and children similar evils led to organization of the workers for protective purposes.

Through their efforts, both by economic and political action, the working day was gradually shortened. The first dein England as far back as 1833, and the British Trade Union Congress at Birin England as far back as 1833, and the British Trade Union Congress at Birone of its fundamental principles. In one of its fundamental principles. In the United States the National Labor Union declared for an eight-hour day in 1866. During the period of so many strikes, 1872-1873, "eight-hour leagues" were a prominent feature of the labor EHRENBREITSTEIN EIGG (eg), an island on the W. coast of Scotland, County of Inverness, about 10 miles from the mainland, and 5 miles ong by about 3 broad. It has bold, rocky shores, and terminates to the S. in 10 miles from the mainland, and 5 miles long by about 3 broad. It has bold, stone porphyry 1,339 feet above the sea, and on one side perpendicular as a wall.

Eigg, with a peak of columnar pitchhe end of the 16th century, of the Macand on one side perpendicular as a wall. uffocated them in a cave where they ad taken refuge.

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