Letter – Nicholas Walton to Peter Mulcaster – 9 Nov 1781

Document Type: Letter
Date: 9 Nov 1781
Correspondent: Nicholas Walton
Recipient: Peter Mulcaster
Archive Source: TNA ADM 66 97
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Messrs Mulcaster                                            			Farnacres 9th Novemr 1781 

       Having looked over and recomputed the several articles so as to see how the price of Lead and Silver as they now are will affect the produce of Refining 37Foddr 8Cwt 2 Qrs 14 Lb which is only one pound more than the Tryal was made upon, of Mr Wilkinson of Cos Lead I find that the Loss by Refining supposing 5 Ounces P Fodder of Silver to be produced from each Fodder will be 2s/3 3/4d for the whole Operation, by which youll observe that a small matter more than 5 Ounces P Fodder will still answer but it is clear we never shd Refine any Lead that does not produce by Assay 5 1/2 Ounces or thereabouts, at least so farr as my calculation has gone but I am going forward in making a Table from whence it will be seen at one View how farr this can be carried.  In the mean time I send you two calculation papers and shall send the remainder when finished.

The State of the Assays you have as follows.             P[er] Fodder

                                                         Oz pwt grs

First Assay No 1 Middle Clough Brownley Hill & c slag   R 5 11  9

Second Do   Do   Do                                     R 5 17 14 4/10

First  Do   No 2 Scaleburn Moss Brownley Hill &c Do     X 3 19 15

Second Do   Do   Do                                     X 3 18  9 6/10

Corn Riggs                                              R 6  4 22 8/10

       Those marked R are Refineable the others are clearly not so and must be melted down again I mean No 2.  I beg to have a 1/4 of a pound Assays for the time to come.

       We are obliged by your attention to the above and also for the proper advice you gave Jno Friend who seemed in away of getting strangely wrong. We wish to have the Ore so circumstanced kept till next years Ore comes in or however smelted by itself & not reported in your Acct til you can do it the first Operation of next yrs Accts.       I am

       Yours etc 

       N W Junr

PS Copy the Inclosed on paper & we will send you the Remainder of No 3 & No 2 afterwards.

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The Dukesfield Smelters and Carriers Project aimed to celebrate and discover the heritage of the Dukesfield Arches & lead carriers' routes between Blaydon and the lead mines of Allendale and Weardale. A two year community project, it was led by the Friends of the North Pennines in partnership with Hexhamshire and Slaley Parish Councils and the active support of Allendale Estates. It was funded by the Heritage Lottery Fund and the generous support of other sponsors. Friends of the North Pennines: Charity No:1137467