480 



REPOKT OF NATIONAL MUSEUM, 1!)03. 



pavement, uiui upon them rests a double layer of beams, crossing*- each 

 other at right angles, and then 23 feet of masonry, upon which the 



Fig o8 — Fi'.lior BuikliiiR, Clncaf^o, northeast ooriu i oi \ .iti Mm. ii iiid Dearborn streets. 



building stands. The portion of the basement that cojitains the boiler 

 and engine room does not rest on the walls, but upon a steel foundation 



