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



469 



12846. 

 12847. 



Nos. 12846-7. 



No. 12854. 



STERILIZERS, Arnold Steam, with side door and two removable perforated disks. These steril- 

 izers are well known for their compactness and economy. They maintain the unvarying tem- 

 perature of boiling water in all parts of the sterilizing chamber. 



No A B C D 



Height, inches 7% 10% 11% 12% 



Diameter, inches 8% 9 10% 10% 



Made of heavy tin, copper bottom $6.25 7.25 8.75 9.75 



Made of copper 14.50 20.00 23.00 24.75 



12850. STERILIZERS. Arnold Steam, Boston Board of Health Pattern. Made of copper throughout 

 with double walls and doors, and with two removable wire cloth trays. 



No A B 



Height inside, inches 14% 15% 



Width inside, inches 8% 12% 



Depth inside, inches 9 12% 



Each 55.00 60.00 



12854. STERILIZER, Test Tube, Electric, consisting of a small cylindrical drum, 2%x3* inches, hav- 



ing a nickel-plated metal body with a top and bottom of %-inch transite, mounted upon three 

 legs. Near the center is a metal cylinder li^ 6 inches in diameter and 1% inches in dep^h, 

 surrounded by a resistance coil which heats its entire surface uniformly and quickly. The 

 heating unit "is controlled by an automatic electro thenno-regulator, contained within the 

 drum, adjusted by means of a screw reached by a small screw driver. The thermo-regulator 

 completely controls the temperature so that the contents of the test tube may be brought to 

 the boiling point without boiling over. Metal rings are provided for the receptacle, permit- 

 ting the use of %, %, % and 1-inch test tubes. Complete including test tube and small cru- 

 cible, as illustrated 15.00 



12855. STERILIZER ATTACHMENT, for use with No. 12854, for sterilizing hypodermic syringes. 



needles, etc. Constructed of metal, nicely finished and polished, arranged to fit into the 

 heating tube of No. 12854. Dimensions of the sterilizer are: diameter, 3% inches; depth, 

 % inch. The wire basket can be removed by means of an adjustable wire tongs, which fits 

 into loops shown on wire basket. Similar loops are attached to the body of the sterilizer 

 so that the entire apparatus may be easily removed from heated receptacle (the loops on 

 sterilizers are not shown in cut.) A nest of four test tubes is furnished with the sterilizer, 

 the largest one (1 inch in diameter) having a cork disk in the bottom to protect the point 

 of scalpel. This outfit in connection with No. 12854 makes an ideal small sterilizer for 

 hvpodermic syringes and needles, as well as catheters, probes, scalpels, etc. Complete as 

 illustrated 7.50 



