BAIRD &.TXTLOCK (LONDON) LTD. 



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4048 



4049 



4050 



4051 



4048 Sulphuretted Hydrogen Apparatus, Coram's, suitable for students and others requiring 

 a moderate and constant supply 



4049 Syphons, glass, with suction tube and safety bulb. 

 Length of arm . . . . 12 



Price, plain . . . . . . l/- 



4050 Syphons, glass, with stopcock 



2/9 



15 

 1/1 



a/. 



18 



1/4 



3/3 



21 



1/6 

 3/6 



24 in. 

 1/8 each. 



4051 Syphon, with safety bulb and trap, to prevent the liquid being drawn into the mouth, and 

 to draw off the liquid by blowing 



023 



4052 Syphon, glass, plain, length of short limb 12 15 18 21 24 in. 



6d. 7d. 8d. lOd. I/- each. 



4053 4054 



4053 Syringes, glass, best English make . . . . 



4054 Test Glasses, clear glass, cylindrical, on sole, with spout. 



4055 

 i oz., 5d. ; 2 oz. 



762 



