38 



CARNEGIE INSTITUTION 



a 



CL 



a. 



a. 



a. 



OL 



a. 



a. 



cc 



cc 



EXPLANATION. 



SKETCH II. 



aaaa Units 80' x 100', to be developed as in Sketch 1, or variations from 

 that. 



b Vestibule hall, stairway, public office, etc., 60^x40^. 



cc Portico connecting the laboratories on ground and second floors. 



dd Courts enclosed by portico. To be an uninterrupted colonnade on inner 

 side facing court, and to be a double colonnade between the buildings, 

 to permit air circulation . 



