A dictionary of architecture and building : biographical, historical, and descriptive (1902)
Sturgis, Russell, 1836-1909 · New York : The Macmillan company · leaf 24
observing slit is 13 feet wide and extendsfrom the horizcm to a point 5 feet beyond thezenith. It is closed bv two shutters which work side- wise on rollers, and which move simultaneously.Canvas curtains are mounted on tracks and can beadjusted so as to shelter the telescope from the wind.The floor…
Architecture · Architects
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