500 
SILVER. 
the gold-beater’s hammer, its extension will be still 
more increased. The tenacity of silver is not, how- 
ever, in proportion to its ductility, since it is less 
than even that of iron or copper. A silver wire 
of a tenth of an inch thick will hardly bear a weight 
of two hundred and seventy pounds ; whereas a gold 
wire of the same thickness will support a weight 
of five hundred pounds. 
