BAIRD &.TATLOCK (LONDON) LTD. 



685 



686 



687 



688 



685 T Klein's Laboratory Filter, i litre capacity, fitted with Pasteur-Chamberland filter tube 



(Fig. 683) .. .. .. .. .. each 2 5 



686 Massen's Filtering Apparatus, capacity .500 c.c., complete with porous filter and india- 

 rubber cap . . . . . . . . . . . . . . . . each 14 



687 Cobbett's Filtering Apparatus, with Kitasato's candle, Fig. 682 



688 Cobbett's Filtering Apparatus, with Chamberland-Pasteur candle, Fig. 683 



3 

 6 



140 



