BAIRD &TMXOCK (LONDON) LTD. 



728 



729 



728 s Rideal-Walker's Stand, with test tubes and pipettes for testing the co-efficiencv of ,lis- 

 infectants in relation to carbolic acid 



. . i . t ill II 



\728 S Ditto, without glass parts . . 



729^ Dr. Woodhead's Apparatus for the sterilising and cooling of a series of Platinum cups, 



as used by him m his researches on the standardisation of disinfectants, so arranged 

 that the spoons are always used in rotation, and at a uniform temperature. The stand is 

 marked with position for the bunsen burner, when 2, 3, or 4 spoons are used (Lancet 

 Nov. 20th, 1909, page 1579) .. .. _ each 



730 T Platinum Spoons, for use with above, mounted in glass handles. Price (variable) 



732 



Case for Transmitting Samples of Water, arranged by Dr. Houston. The case is felt 

 lined, and holds copper reservoir (for ice and sawdust), closed at top by indiarubber bung, 

 and 6 oz. flat glass bottles, with ground stoppers, for the samples of water. On outside 

 of case is fitted a stout leather strap, and case is provided with lock and key. 



A731 

 732 



For 



Price 



Extra Bottles 



2 



1 12 



1 



4 

 15 



8 samples. 

 1 18 each 



per doz., 4/- ; per gross 



Water Sampling Case, Army pattern, with 8-oz. sample, with double-walled zinc cylinder 

 fitted with brass cover and swinging clamping screws, and I.R. bung for inner cylinder, 

 case of teak screwed together, felt lined and fitted with handle, lock and key . . each 



12 

 6 



1 

 



250 



300 



(CHEMICAL AND SCIENTIFIC APPARATUS AND PURE CHEMICALS.J 



