(2103) 
to thole that have not been converfant in Mineff^ 
a a. The Eflay- Hatches, 
tb^ The wall which the Shelf makes on both fides the 
Load, and the Load fo walled. 
cc, TheBonny's or Squattg* 
dd. The firings or littk Veiosof the greater and lefler 
Loads* 
e All Mundick, 
//♦ Moft Tin with its Spar, which places prove all good 
Tin, if the firing dyb^ happen to be Tin, 
^g. All Clay. 
A A. Caul 5 differing both from Marcajite and Sparry 
It endureth the fire , which Marcafite or Mundick^ doth 
not. Sf^rr is a flinty ftone of different colours* 
ii. Clay which may hold a quantity of Tin* 
44* Tin 3 fuch flexures are commonly well tinned. 
//. Ire-mould and Daze* Da7»Q is a kind of glittering 
ftone^ enduring the fire^ fome fofter , fome harder^ of dif* 
ferent colours. 
mnK Tin again; 
«»* All Tin. 
^?^?. Clay carrying Mundick. 
A Sell-bed of Tin, which is all Tin, and needs no 
ftamping as the other, but dry knacking ( without a 
grate or Cock- water, as anon. ) Tis obferved, that a Sell- 
bed hath never any firings ifluing from it* 
^ qq. The innumerable firings, like little Capillary veinsa 
in which a Load fometimes in refpefl: of its uppermoft fur- 
face may be faid to terminate and firike out* 
t r. The concomitant Loads on each fide. 
/ /♦ That upper part of the Load, which feems as though 
it were cut off in the fide of one Hill, and to begin again on 
the oppofite fide of the other Hill 5 which is when the Load 
dips almoft perpendicularly for many fathoms together, 
and may rife again in the next Hill(wavie5ways) 10 that the 
load lies not parallel to the furface of the earth every where 
as hinted before. And hence it comes^that we fometimes 
Tt lofe 
