May 13, 1892.] 



SCIENCE. 



plate-girder thickly covered with asphalt paint. The organic 

 laboratory has accommodations for twenty students, and as 

 in most of the working tables on this floor and the basement 

 there is an abundant supply of steam, water, and waste pipes 

 for distillations and other uses. 



The general laboratory on the second story contains ninety- 

 six desks capable of accommodating one hundred andninety- 



by a spiral stair with the oflBce and with the room above,, 

 which serves for storage of lecture apparatus. The large 

 dormer windows render the rooms on the third floor as 

 serviceable for certain uses as they would be on a lower floor. 

 A large amount of available room is thus secured without 

 extending the outside walls to form a third story. A sec- 

 tion of this floor devoted to photography contains two rooms,, 



SECOND STORY. 



two students, and the light and ventilation^ are all that 

 could be desired. At either end of the outside aisle is a case 

 of drawers beneath a table for material in suiBcient quanti- 

 ties for large classes, and several shelves contain large bot- 

 tles for solutions. The blast lamps in this laboratory and in 

 the other principal rooms are supplied with air by a small 

 pressure blower driven by the motor in the basement. 



In the lecture-room 200 persons can be seated comfortably. 



one with two dark closets for students and instructors, the- 

 other with a large skylight for general work. Extension of 

 the roof without interruption affords sufficient height to the 

 flues to ensure good draught. The tops of the flues are 

 eighty feet from the basement floor. Within the space en- 

 closed in brick for the elevator, a stand-pipe is carried to the 

 attic floor, with an opening, on each story, to which is at- 

 tached a hose of sufficient length to reach every room. 



Class RooyA 



Spectroscope t> PHOTo/~\£TEn 



11 » 36 



lECTVRE .Apparatus 

 y 18 »38 y 



THIRD STORY. 



The lecture-table is supplied with gas, water, steam, oxygen, 

 hydrogen, blast, suction, and an excellent draught. In front 

 of the hood are suspended two blackboards, one supporting 

 the other, and a curtain falls from a spring-roller for lantern 

 illustrations. In the rear of the lecture- room are the cabinet 

 for collections and a preparation room, which is connected 



A description ol the ventilation of this laboratory -will appear in the 

 American Journal ol Analytical and Applied Chemistry. 



Excavation for this building was begun June 1, 1891, and 

 by the middle of February, 1892, all the working-rooms were 

 in use. In the preparation of the working-plans, the archi- 

 tectural features, and in the substantial construction the 

 trustees were fortunate in securing the skill, good judgment, 

 and faithful service of the architects, Messrs Coburn and 

 Barnum. Of the illustrations in this paper, the excellent 

 view of the building is due to the courtesy of the Cleveland 



