Fig. 21. 

 Three Side Cut Section. Introduced 18S7. 



Fig. 22. 

 The same folded. 



Tig. 23. 



Simmins' Divided Section Holder, 



shewing arrangement of foundation 



and halved sections. 



Czj^jru 



Fig. 24. 

 Completely Divided Section in the fiat. 



Fig. 25. 

 The same folded. 

 Introduced i88g. 



