“PHYSICAL anp LITERARY. 203 
‘ Tuches 
_ Mean diameter of its mouth, a0 
: Mean diameter of the bottom, a 
Mean depth. ve 
Ir was five times carefully filled with clear 
river water, which was each time accurately 
weighed by a nice beam, that would turn; 
‘with lefs thana grain, when 100 ounces were 
in each fcale; and its content of water, ata 
medium of thefe trials, which did differ but a 
few grains from one another, was found to 
weigh 26180 roy grains. : 
At the fame time, a veffel which was 
made to contain accurately, one hundred cu- 
bic inches, was filled with the fame water: 
and after feveral trials, which did not differ 
one grain from one another; its content in 
: water was found to weigh 25318 roy grains. 
Tue ftandard pint jug therefore contains 
103424. cubic inches; and each cubic inch 
of. water with which the jug was filled, 
_ weighs 25312. ¢roy grains. 
Tue ftandard Szerling jug, in the cuftody 
of the Dean of Gild of Edinlurgh, likewife 
made of brafs, and weighing about 204 4- 
_ verdupois pounds, having the arms of Scoz- 
land and of Sterling marked in relievo upon 
¥ Ce its 
