79 



The di'iHving roonj^' ai'e fnniishocl with eorrespuuflin!; lockers and other 

 facilities for the apparatus xisecl in drawing. lu the third story are two 

 rooms for blue printing and corresponding work. One room is arranged 

 for sun jirinting 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 i)lue-prh!ting machine in which exposure is 

 made to a rise and fall electric arc. The washing and drying of the print::! 

 are done in the sua printing room. 



There are two dark rooms for ])hotograpliic work. 



