A dictionary of architecture and building; biographical, historical and descriptive (1901)
Sturgis, Russell, 1836-1909 · New York, Macmillan · leaf 19
centre of the field of vision. Tlie observin,:; slil is i:! feet wide and extendsfrom the horizon to a point o feet beyond thezenith. It is closed by two shutters which work side- wise on rollers, and which move simultaneonsly.Canvas curtains are mounted on tracks and can beadjusted so as to… … I ml I I I [ I \ I I I I C 10 20 JO 40 SO OO JO BO 90 100 Observatory at Williams Bay (see Next Figuke) ; Ground Floor.
Architecture
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