June 15, 1SS3." 



SCIENCE. 



539 



stood from the plans. The basement contains 

 the laboratoiy of assa3-ing, the large phj'sical 

 laboratory, and a number of rooms devoted to 

 special purposes in the department of phj'sics, 

 three of which have floors of cement, affoixling 

 at anj' point sufflcientlj' firm foundation for 

 galvanometers. Certain other rooms are pro- 



Power from a large turbine, situated in the 

 gorge north of the building, serves for driv- 

 ing djaiamos, ventilating machinerj^, and air- 

 pumps for vacuum and blast, as well as for 

 the purposes of the workshop. The latter is 

 fullj' equipped with tools and machinerj', and 

 is in the charge of a skilful mechanic from 



NEW LABORATORY FOR PHYSICS AND CHEMIS 



CORNELL UNrVERSITY. 



vided with solid masonrj' piers for apparatus 

 requiring immovable support 



The large phj-sical lecture-room, with its 

 adjoining apparatus-rooms, occupies one-half 

 of the first floor. The remainder consists of 

 laboratories and work-rooms designed for vari- 

 ous purposes of instruction in phj'sics, several 

 of which are also provided with masonry piers. 

 One room (without windows) is for photomet- 

 ric work. 



Gottingen, who devotes his whole time to the 

 manufacture of apparatus. 



All the principal rooms of the building are 

 supplied with water, steam, house-gas, oxygen, 

 hydrogen, vacuum, and blast. The oxj'gen 

 and hj'drogen are generated by electricity 

 from the dynamos, and stored in large gasom- 

 eters, the apparatus emplo_yed producing hy- 

 drogen at the rate of three cubic feet per hour. 

 In all the rooms where time observations are to 



