44 



ON THE OLDER FOr.MS OF 



suflSiciently ventilated by the loose adjustment of tlie tiles. 

 Other means for admitting light to the attic are shown in 



fig. 58 (Freiburg) and 59 (Weimar). These hoods or 

 dormer windows are made out of a single piece of terra- 



cotta ; they are secured to the roof by a broad flange around 

 which the tiles are fitted. 



