THREE

LETTERS

O N

Mining and Smelting, &c.

LETTER I.

On the present State of Mining in NorthWales, giving necessary InftruSHom forimproving it .

SIR,

HOPE you will pardon,me, that I did not soonerreturn an Answer to theQueries you have raisedconcerning the Art ofMining ; the Delay, Iassure'you, proceeded notfrom Neglect, Forgetfulness, or want ofInclination to oblige you, but my dailyOccupations, I may fay, constant Hurry ofBusiness, before this Instant, would notafford me leisure Time to do it: But nowA I can