PLA.TE XXXIII 

 'J'op ofwfi/J . 



/ran for hiiinuig /lolr-^ 





Actual tfn'xkn^ss 

 of walL'^ of'Tioof. 





^^> 



■^ 



(liKirter rrarT,- wiJJi r/-o.ss ru/i 



'ITie claJiip cuid miil n/iuidii's K/ifilirf/ . 



Toe crack. iVallremoved /rj show 

 cubsorptCoii of coffi7i bonr. 



■» > y 



Ql ' Al ri' Y. H - (^ H . V( ■ K AX 1 ) H V. \\ K D T K S . 



