Vol. VIII. 



Pjlate XL 



JvqyaZ I^hif steal Socwty,£di'nbu.r^h. 



GIRTH OF MOULD 4 Ins. 



C LO S E D 



Fig. I 



OPEN 



2 'A Inches 



^ 



Fag. III. a 



PORCELAIN CRUCIBLE 



Pig. in. 7). 



^ 



C RU C I B LE STAN D 



Fxg. III. 



PORCELAIN TRAY. 



Yit IV Z). 



TRAY STAN D. 



Txg. IV. 



TRAY IN STAND 



Fig. II. 



PRESSER. 



CRUCIBLE IN STAND. 



? . G Psa.T-ce_y, de 



Jyr":Fa.rla,ne Cr. Ersltine Lith'!^ Editf^ 



