ii-MoMh of S!j:ltim. 



b-Stup cock tu vegulaie tht/tc 



c-Wucicn hanaii «f Siphon. 

 d-2ron/unnelJ'vT/illins Siph' 



POLLING CRUTCH OR 

 WOOD-HOLDER FOR THE POLLING POTS 



Plate VII. 



