Advertisements. 



/MuRPHYaSoK 



/ — — — ' HHi^^'^ ^ 



Head Ofiices : 



SHEEN LANE. 

 LONDON, S.W.I 4. 



Your attention is drawn to the im- 

 portant work in connection with 

 economic pests m progress at our 



BUREAU OF BIO-TECHNOLOGY 



An idea of the value of these 

 investigations may be gathered 

 from the Bulletin of the Bureau ; 

 a copy of the latest issue of this 

 periodical will be forwarded to 

 any bona-fide applicant. 



Laboralones 

 Testing Station 



London and Leeds. 

 Mordake, London, S.W.I 4 



LABORATORY F 

 GLASS WARE 

 TEST-TUBES 



vnONCRlff/r/ 



(resistance! 



TUBING 



: SCOTLAND 



• / 



FROM ALL 



DEALERS 



mcrieff/i MONCRIEFF, 



;COMBUSTIO^ I PERTH, 



scoTlandJ SCOTLAND. 



for 

 laboratories 



Every 



requirement of the Chemist is met by 



THE WILLETT 



AIR GAS 



SYSTE M 



Such as Bunsens, Muffle and Combustion 

 Furnaces, Blowpipes, etc. 



Gas IS produced from gas making petrol in 

 a compact plant, automatic in action. 



ITm/c ftir I'.nnklct ■•('•' 



MANN, EGERTON & CO., LTD. 



177, Cleveland Street, London, W.l. 



