BAIRD &TATLOCK (LONDON) LTD. 



Reg. No. (applied for). 





(A. SA. =>* 



ft 



<2 B. 



Fig. 3. Shomng Constancy oi Shape and Character of Coke obtained 

 from each Coal. 



Ill 



1 IB m m 



is. 



l& 



17 18 



Fig. 2. Cokes obtained from Twenty different Coals. 



Dr. R. Lessing's Electric Furnace for the determination of the cooking properties of coal. 

 For description and prices see page 1021. 



CROSS STREET HATTCTN GARDETST, E- C 



1020 



