vV;_7 



BAIRD &TATLOCK (LONDON) LTD. 



759 (Fig. 2) 



60 s Patent Indiarubber Vaccine Expeller 



760 



perdoz. 18 



The tube with sealed ends is first drawn mid-way through the larger opening as illustrated. 

 lir upper end of which is then broken off, and is drawn so far through the hole that the broken end 

 only about half an inch from the smaller hole. The other end of lymph tube is now broken off 

 ml tin- mount held between the first and second finger whilst placing the thumb over the top open- 

 i? .UK! compressing, the vaccine is immediately expelled. By this means the vaccine can also be 

 istributcd as desired. 



'61' Purinometer (Dr. Walker-Hall's), without solutions . . 



eacli 150 



(See British Medical Journal, I4th June, 1902, p. 1461. 

 and ist. Nov., 1902, p. 1413.) 



CHEMICAL AND SCIENTIFIC APPARATUS AND PURE CHEMICALS. 



