376 



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



WASSERMAN BATH 



This Bath designed for 

 Doctor S. R. Miller of the 



Phipps Psychiatric Clinic of 

 Johns Hopkins Hospital of 

 Baltimore, Md. 



Being mounted in an As- 

 bestos lined Russian Iron 

 Stand, maintains the re- 

 quired temperature 37^" 

 with the smallest possible 

 consumption of gas. 



The Water Pan and the 

 Lid made of Heavy Copper, 

 heavily coated on the inside 

 with pure block tin and pol- 

 ished outside, having a spe- 

 cially constructed Double 

 Lid the inner one of which 

 slopes toward the rear, pre- 

 venting any dropping of the 

 Condensation of the Sera 

 being tested. 



The Thermometer Holder 

 is so arranged that the Ther- 

 mometer maintains its up- 

 right position at all times, 

 thus when necessary to place 

 near a wall, the Thermome- 

 ter does not have to be re- 

 moved when raising the lid. 



There are two other tabla- 

 ture openings provided for 

 such times as they may be 

 desirable. 



Prices and Sizes 



Small Wasserman Bath 



$45.00 



Outside dimensions, 24"x 

 14"xl8" high. Hold 6 Racks 

 16 Tubes each. 



Large Wasserman Bath, $50.00. Outside dimensions, 24"xl8"xl8" high. Holds 10 

 Racks 16 Tubes each. 



When desired we can make a special provision on the side for Thermom- 

 eter, Thermo Regulator, Constant Level Device and Glass Water Gauge. 

 Extra, $10.00. 



Racks for Above 



White Enamel Metal Rack for 12 Tubes, each $1.50 



White Enamel Metal Rack for 16 Tubes, each *. . 2.00 



6378 Inactivation Bath. 

 Measurements, 11" diam- 

 eter and 12" high. De- 

 signed to prevent the loss 

 of heat and to maintain 

 the proper temperature 56 

 with minimum cost. Water 

 compartment of heavy 

 copper, tinned inside with 

 pure block tin. Test tube 

 holders may be used in 

 such a way that all small 

 or all large tubes may be 

 used or the outer or inner 

 row may be small or large 

 as suits the- conditions that 

 may arise. 



Price, complete $35.00 



Extra Outer Holders $6.50 Extra Inner Holders $7.50 



6376 



6378 



Special and ordinary glassware made in our glass blowing department. 

 Culture Basks, fermentation tubes and so forth made exactly to specifications 

 with prices reasonable. Quotations on special bacteriological apparatus, both 

 metallic and of glass gladly given upon request 



