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



517 



No. 14312. 



No. 14316. 



A 



A 



A 

 A 

 22 

 5 



Me 

 6.00 



B 

 B 



10.00 



c 



B 

 30 



8 



fo 

 7.00 



14306. COOLING COLL, for use in Water Baths No. 14300, of copper nickel-plated. 



No 



For Bath No 



Each 



HEATING UNITS, extra, for No. 14300, see Nos. 7526-7. 

 12864. STIRRERS, High Speed Turbine, for use with Nos. 14300-3. 



2*o 



For Nos. 14300-3 



Diameter, mm 



Capacity, liters per minute 



Power required to operate, h. p 



Each 



14310. WATER BATH, Griffin's, for hot filtration and evaporation. Of heavy copper, tin lined, with 

 two 5 inch openings in the top. One opening is fitted with a copper funnel, the other is pro- 

 vided with four concentric copper rings. Complete with constant water level regulator and 

 tubulatures for thermometer and thermo-regulator, mounted on support with extra sheet iron 



bottom and detachable legs. Dimensions, 13 x 7 x 5 inches high 13.00 



14312. WATER BATH, Hofmann, of polished copper, tin lined, with a set of concentric rings and a plate 

 with five different sized openings, each with cover. Diameter at top, 8 inches; depth, 5 inches; 



with constant water level and handles 15.50 



WATER BATH, Victor Meyer's, funnel shape, of polished copper, tin lined, w.th concentric rings, 



cover and constant water level, with tripod 8 inches high. Diameter, 6 inches 5.50 



WATER BATH, Wassermann, with 12 copper racks, each of which holds 12 tubes 4x % inches. 

 These racks are so aranged that they can be lifted out of the bath by the two handles attached 

 to each of the racks, and are also supplied with a center division to allow shaking of the test 

 tubes without danger of dropping. The bath is made of heavy polished copper, with a per- 

 forated bottom, thereby providing for a large volume of water. Complete with thermometer, 

 glass thermo-regulator for controlling the temperature, and 12 copper racks. Height over all, 

 13% inches; length, 12% inches; width, 12% inches; depth, 5% inches. With sheet iron base 



8 inches high. Without burner 35.0C 



14323. SUPPORTS, Test Tube, only for No. 14322, for tubes 4 x % inches. 



No A B C 



For tubes 12 24 40 



Each 1.30 2.00 2.60 



TEST TUBES, Wassermann, see No. 13390. 



14316. 



14322. 



