NATURAL AXD ARTIFICIAL LIGHTING 57 



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FIG. 41. Weave shed at a cotton mill, showing the saw-tooth roof. We 

 are looking at the northwest corner of the building; the roof windows face 

 the north. 



FIG. 42. Interior view of the weave shed. The camera stood in the south- 

 west corner of the room. Note the evenness of the lighting throughout the 

 room. This rooffi is 253 ft. by 140 ft, and contains 648 looms. 



