COPPER

Mackworth was a flamboyant character, but whatever his flaws he played a major and innovative role in energising Welsh industry in the late Stuart period. For information on him and his dubious ventures, see his entries in the Oxford DNB (where his first name is spelt 'Humphry') and the Dictionary of Welsh Biography (where it is spelt 'Humphrey').

One page, cr.8vo, bifolium, edges dusted, small closed tears, second leaf black-bordered, mainly good condition. "Mr Mayor, | I am deserv'd by H.R.H.The Duke of Sussex to express His thanks to youy & to the Members of the Town Council of the borough of Denbighg for the attention accorded to him & to say that H.R.H. will receive the Address on Thursday next ye 22d at Four in the Evening - | On ,my own part I request that you & the Gentlemen who may accompnay you will do me the honour to dine with me on that day [subscription and signature, followed by Postscript] P.S.

Printed on one side of a piece of wove paper, dimensions 22 x 14 cm. Text clear and complete, on aged and lightly-spotted paper, with minor wear to extremities. Headed 'Under the Patronage of the Nobility and Gentry.' 48 lines of text, including positive quotations from the Observer, Christian Advocate, Sunday Times and Albion and Star. Describes ten aspects of the exhibition, lettered A to K, including the conveyance of the ore 'to the surface by a --- (G) --- POWERFUL HYDRAULIC MACHINE, first in kibbles, through a perpendicular shaft, and lastly in waggons drawn upon an inclined plane'.