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A dictionary of architecture and building; biographical, historical and descriptive (1901)

Sturgis, Russell, 1836-1909 · New York, Macmillan · leaf 17

An illustration from A dictionary of architecture and building; biographical, historical and descriptive, 1901, leaf 17
auges,anemometers, sunshine recorders, etc., on theroof In order to obtain the temperature andmoisture of the air, it is considered necessarythat the thermometers shall be exposed Ireelyto the wind and yet be perfectly shielded tromthe suns ravs by day and from their own radia-tion to the clear sky… … OBSERVATORY AT WILLIAMS BAY, WISCONSIN(See the figures in the text and Plate II) Interior of llie revolving dome. The telescoperevolves on an axis parallel to the earths axis ofrotation; it is driven by clockwork so that a star iskept in the centre of the field of vision. Tlie observin,:; slil is…

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