BAIRD &TATLOCK (LONDON) LTD. 



3561 

 3561 s Engler's Atomic Models 



. 3562 



150 



Full description with each set. 



Models for demonstrating isomerism of the sugars and tartaric acids. (See " Organic 

 Chemistry," Part II., by Professor W. H. Perkin, of Manchester University, and Professor 

 Kipping, D.Sc., University College, Nottingham. 



3562 Models, small set, consisting of two models with four arms and eight coloured glass balls, 

 and connecting rubber tube . . . . . . . . . . . . per set 



3563 3 Models, complete set of above of twelve, forty-eight coloured glass balls, with connecting 

 tubes 



016 



3564 s Models, larger pattern than Nos. 3562-3563 



090 



. . 3/- and 18 



3565 



3565 Mortars and Pestles, iron, strong, bowl shape. 



Height outside 

 Diameter inside 

 Price 



3566 Iron Mortars, bell shape, with pestles, heavy make. 



No. .. .. ..i 3 



Capacity . . \ 2 



Outside diameter . . 5 8 



Price .. .. ..2/6 5/- 



3566 



4 

 3* 



4 

 3 



9 

 6/6 



5 



4 



9! 



4 

 6/6 



6 

 6 



lOf 



13/- 



6i in. 

 6 

 10/6 each. 



7 

 8 



18/- 



8 



12 pints. 

 13! in. 

 28/6 each. 



CHEMICAL AND SCIENTIFIC APPARATUS AND PURE CHEMICALS- 



