[ 464 ] 
heavy Tetradrachm, but Teems to think the weight 
of that coin was in all ages the fame, which pro- 
bably it was not. 
He allows that fiiver is more liable to be overfizcd 
at the mint than gold (7) ; yet he determines ilie 
weight of the Attic Drachm from the Tetradrachm 
to be 67 grains (8), though no gold coin, he ever 
Taw, comes up to it by a quarter of a grain in the 
Drachm (9). 
He hath likewife made his Denarius above half 
a grain heavier than any he had perufed, to agree 
with Villalpandus’s weight of the Congius (1); 
which led him to fuppolc, that the Roman Aureus 
was juft double the weight of the Denarius (2), con- 
trary to the expreis teftimony of Pliny. And he 
hath not given a clear account of the Confular 
Aureus. 
In the year 1708, John Cafpar Elfenfchmid, of 
Straiburg, publiflied his book de ponderibus & men- 
furis veterum, 6cc. He is an. accurate and a faith- 
ful writer, but wanted materials. He ufed Paris 
weights, which feem to have been correcftly ftzed to 
that ftandard. Having feen no Roman gold older 
than the reign of Tiberius, which was nor too im- 
perfedt to difeover its original weight (3), and find- 
ing the moft perfedl Confular Denarii to be very 
unequally fized, he took a mean from a pretty large 
heap of fuch as he thought unexceptionably perfect., 
rejeding fome, which, though apparently fo, were 
(7) P. 103. (8) P. 66. (9) P. 72. 
(1) Compare p. 94 and 120, with p. 61. (2) P. 103. 
^3) Eifenl'chmid, p. 34. 
very 
