rkH.Ma^.Vol.XWU. 



Foundatwnof M: W?- Joms's TcnLporary CornRick. 



MlStqyTuns Method of dividing Bricks. 



Fi^.2. 



Fi^.3. 



Fig. 4. 



D 



Fig.3. 



b\ F 



i! •> -f f ? / ■? ■y ^' ' W^f^{-^- 



S.I'crUr.Si. 



