324 



CENTRAL SCIENTIFIC CO., CHICAGO, U. 8. A. 



No. 7950. 



INCUBATORS, Double Wall, similar in construction to No. 7936, but without air space around 



the water jacket. With sheet iron base 9 inches high with opening on the side for burner, 

 and with one shelf. Can be used satisfactorily as a parafftne oven. 



No ". A B 



Height inside, inches 10 12 



Width inside, inches 8 10 



Depth inside, inches 8 10 



7946. 

 7947. 



Without heating equipment $51.00 



69.50 



7950. 

 7951. 

 7000. 



With gas heating equipment 65.00 84.50 



INCUBATOR, Double Wall, round form, for use where only a small number of cultures is han- 

 dled at a time. Made of polished copper with a 2-inch water jacket, covered with an insu- 

 lating material. Two covers are provided, the inner one of glass to permit inspection of the 

 contents. With water gage, stop-cock for draining and perforated tray, mounted on sheet 

 iron base 9 inches high with opening for Bunsen burner. 



Height inside, 9 inches. Height outside, 12 inches. 



Diameter inside, 8 inches. Diameter outside, 12 inches. 



Without heating equipment 22.00 



With gas heating equipment 30.00 



INCUBATORS, Low Temperature, Electrically Controlled, for gelatine cultures at 20C., or for 

 use at any other predetermined temperature. Constructed entirely of copper and asbestos 

 board, with no wood casing to warp or decay. The walls are thoroughly insulated to prevent 

 the passage of heat. No running water is used. The internal arrangement provides for a 

 perfect circulation of air and consequent uniformity of temperature throughout the incubat- 

 ing chamber. Equipped with electric thermo-regulator with pilot lamp. 



Height outside, 28 inches. Height inside, 14 inches. 



Width outside, 14% inches. Width inside, 12 inches. 



Depth outside, 16% inches. Depth inside, 12 inches. 



Height of base, 12 inches. 



Complete with 6 feet of connecting cord and plug for attaching to lamp socket. Can be used 

 on either A. C. or D. C. circuit. 



No A B 



For volts 110 220 



Each . 225.00 225.00 



