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1714 W. Alingham Epitome of Geom. 164 In Roofing we make no deductions for Window Shafts or Sky Lights, because they are more trouble to the Workman, than the Stuff is worth that would cover them.

1787 J. Byng Diary 5 Aug. in Torrington Diaries (1934) I. 297 The House has long been deserted, and has neither roof nor doors, tho' many of the stone window-shafts remain.

1837 Galignani's New Paris Guide (new ed.) 300 The windows all rest upon a series of arches supported by detached columns, which form a kind of panel-work, to the height of 12 feet above the floor, and are there separated from the bases of the window-shafts above by a cornice-moulding.

1839 H. W. Longfellow Hyperion II. iv. i. 114 A mysterious light streams through the painted glass of the marigold windows, staining the cusps and crumpled leaves of the window-shafts.

1910 Pan-Amer. Mag. Dec. 75/1 The deep, slanted, window shafts look down to an inner court-yard.

1980 Proc. Amer. Philos. Soc. 124 73/1 A blocked cellar window shaft that originally rose through the south wall.

2001 R. A. Miller in Encycl. Louisville 410/1 Graves gave the building a large amount of natural light by placing evenly spaced windows and centrally located window shafts on each side.