180 



A. DAIGGER & COMPANY, CHICAGO, U. S. A. 



2964 



2966 



2964 GAS Generator for sulphuretted hydrogen, according to Dr. C. B. Dudley, 

 of the Penna. R. R. Company. The iron sulphate is packed in the 

 upper part of the jar. The flow of hydrochloric acid from the bottle 

 is regulated by the glass stopcock, and becomes saturated by the 

 time it reaches the bottom, whence it may be drawn off. Convenient 

 for generating the gas in quantity, and as rapidly as desired. Size of 



jar, 18x4 inches. Capacity of acid bottle, y 2 gallon $12.00 



See Electrolytic Apparatus. 



2966 GAS Generator, Kipp's, complete. 



Capacity, liters l /2 1 2 



Each $8.00 10.00 15.00 



2968 



2971 



2972 



2968 GAS Generator, Ernest form. The distinctive features of this generator are 

 compactness and stability, incorporation of a washing device, ease of 

 cleaning and charging, absence of rubber parts, regulation of opera- 

 tion and greater gas storage capacity. Price 



2971 GAS Holder, sliding receiver, made of leaded iron, painted, mounted on iron 



frame, with pulleys and weights, capacity 20 gallons $50.00 



2972 GAS Holder, Berzelius' and Pepy's improved form. 



Capacity, gallons 



Of heavy copper, each $30.00 40.00 



Of heavy zinc, each 20.00 25.00 



2974 GAS Machines for making gas or acetylene gas in quantity for illumination 

 or for heating purposes. Specifications and prices on complete plants 

 on application. 



