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1 7 4 EXPLANATION OF T H E TABLES.
T A B L E XL V .
J N this table the appearance is reprefented of different metals,
viewed with a microfcope which enlarges the diameter
146 times.
FIG. I. Reprefents gold that has been poliflied.
FIG. IL Reprefents leaf-gold, in whieh ferpentine looking fibres appear,
not larger nor more iri'egular than in pieces of metal, melted and cooled
without being poliflied, or poliflied after they were cooled.
FIG. in. Tin. And
F;G. IV. Lead, both of which had been melted and afterwards cooled.
T A li L E
