( 40 ) 
hot through ; it is then to be imme- 
diately placed betwixt two fmooth 
boards, and a very heavy weight laid 
on it, where it rauil remain till cold. 
Thus flattened, it is to be ralped on 
both fldes, with fuch a ralp as is ufed 
by the bakers ; afterwards with a 
finer one ; and laftly with a pumice 
ftone, which makes it perfe&ly 
fmooth. If the cork be thick, and 
the purpofe of it to line boxes, it may 
be fawed through the middle, and 
ralped on both fldes as before. 
EXPLA- 
