Three letters on mining and smelting : in which a method is laid down, whereby these useful sciences may be greatly improved; to which is added, a fourth letter; setting forth, a discovery of an easy method to secure ships bottoms from worms (1750)
Linden, Dietrich Wessel, Dietrich Wessel, Linden · Keith · leaf 9
THREE LETTERS O N Mining and Smelting , & c . LETTER I . On the present State of Mining in North Wales , giving necessary InftruSHom for improving it . SIR , … from Neglect , Forgetfulness , or want of Inclination to oblige you , but my daily Occupations , I may fay , constant Hurry of Business , before this Instant , would not afford me leisure Time to do it : But now A I can
e-rara · Eisenbibliothek Schlatt · No known copyright restrictions. Free to use for anything.