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



197 



No. 4132, sho-wing construction. 



No. 4133, shown mounted on legs. 



EXTRA ELECTRIC HEATERS for Nos. 4126 and 4127. 



Tor No A B C D E P 



4128. Each, for 110 volts $30.00 35.00 45.00 50.00 60.00 75.00 



4129. Each, for 220 volts 37.50 42.50 45.00 50.00 60.00 75.00 



4130. AERATOR, for use with Cenco Polar Stills, for the introduction of pure sterile air into the 



water when desired for drinking purposes. 



For No A B C D E F 



Each 4.50 5.50 6.50 7.50 9.50 14.00 



4131. WALL BRACKETS for use with Cenco Polar Stills, for attachment to wall. 



For No A B C D E F 



Per pair 6.00 6.50 7.00 8.00 8.50 9.50 



4132. DISTILLING APPARATUS, Cenco Polar, same as No. 4126, but equipped with interchangeable 



base and burner for coal or natural gas. Finished in burnished copper and polished brass. 



No A B C D 



Capacity, gallons 1 2 5 



Each 60.00 100.00 125.00 175.00 



4133. DISTILLING APPARATUS, Cenco Polar, same as No. 4126, but equipped with interchangeable 



base and steam coil for steam heat, under a pressure of 10 to 20 pounds. Finished in bur- 

 nished copper. 



No A B C D 



Capacity, gallons 1 2 5 



Each 60.00 100.00 125.00 175.00 



Note: Nos. 4132 and 4133 may be had in nickel-plated finish at an additional cost of $5.00. 



STILLS OF LARGE CAPACITY 



We are prepared to furnish information and prices upon distilling plants of large capacity, 

 up to 1000 gallons per hour. We can place at the disposal of prospective purchasers the 

 engineering knowledge and technical skill of the Jewell Polar Company, gained through 

 years of successful experience in still design and manufacture. Write us at length about your 

 particular problem. 



