\ X / Section of 

 Ca.s*Trap . 



Plan of TYipod andPipes, 





i-*^. 



Elevation of Tripod an cJ 

 pipes, 



of Gas-6ell. ^ , ^'" -■» 



£»caie . /I|, = 1 • 



SectioT\al Elevation 



OTI A^. 



