(2 109) ? 
is tyed a fhort rope with a tranfverfe flick at the end of ity . 
curiouflyj but trap-wayes^hitcht at both ends under two 
jittle pins faftened in the Lones for that purpofe, there's 
another pin fet in one oftheLifters^at fuch an exad height, 
as thatj if there be no Ore iathe Coffer to keep that Lif- 
ter high enough^ the purpofed pin in defcending knocks 
outthewaterj carrying it quite over the Mill-wheel ^ fo 
that when the Coffer is emptied , the Mill refts of its own 
accord. And this is the invention f about 50 years fince 
but now become common in thofe p9ins)o(onQ'joh/z Tomes^ 
thenaLadj but now as skilful and experienced a Tinner, 
as our parts afford s who even then faw the Inconvenien- 
cy of a Bell then ufed 3 which (asfome Jacks J) would on« 
ly give notice^ that the Coffer was empty 5 yet before they 
might come to let out the water, the Mill might break if: 
ielf in pieces 3 notwithftanding their attendance^ which 
by this ingenious knack is nowfaved, and the Mill kept 
from danger. One Wheel may fupply three or four Cof- 
fers 5 if we will, but then the Grate-holes of the firft muft 
be much larger than the others, and the reft proportiona- 
ble; for Tin may be as well too fmall (for profitable fufi-i 
on ) as too great. 
2« But to return to our fuU Launder, it is divided into > 
three parts, / e. the Fore- head, the Middle, and the Tails^ 
That Ore which lies in the Fore- head, z, e, within i i foo£ 
of the grate, is the beft Tin^ and is taken up in an heap a» 
part* The Middle and Tails in another, accounted the 
worft. 
3. The latter heap is thrown out by the Trambling bud-^ 
die /4^. a long fquareTye of Boards, or Slate, about four- 
foot deep, fix long, and three over 5 wherein ftands 
a man bare footed v/ith a Trambling-fiiovel in bis hand to 
caft up the Ore, about an inch thick, on a long fquare 
board juft before him as high as his middle, which is termed 
the Buddie-head, who dexteroufiy with the one edge of 
hk Shovel cuts and divides it long,v>'ayes in refpcft of him- 
