79 
The drawing rooms are furnished with cerresponding lockers and other 
facilities for the apparatus used in drawing. In the third story are two 
rooms for blue printing and corresponding work. One room is arranged 
for sun printing and has sheets of plate glass in an exposing wall on one 
side. There are the usual printing frames. The other room has no out- 
side wall and is fitted with a plue-printing machine in which exposure is 
made to a rise and fall electric are. The washing and drying of the prints 
are done in the sua printing room. 
There are two dark rooms for photograyhic work. 
