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Minute Book containing minutes of the General Court of the Governer and Company and of the annual court for the election of the Governer and Court of Assistants.

1809-01-02 — 1869-03-30

Minute Book containing minutes of the Court of Assistants of the Governer and Company.

1692-10-04 — 1706-05-16

To John Burrell, re the Tyne trade, Menzies' machines and the making of salt.

Lease of Lintz Colliery and wayleaves from the colliery

Depths and height of seams in Bracks Colliery [also Butterly Knowe]

Scope and Content From Leonard Hartley, Middleton, re the erection of an engine by Messrs Tissington and Peacock for the neighbouring mine on lands adjoining that of Mr Hartley and requesting postponement of work on his own engine, and re the death of his son.

Measurements of a section of the seam

To Matthew Ridley Esq in London re the lease of St Anthony's Colliery, 16 Feb 1765.

Colliery Report Book Containing detailed reports of the sinking and working of Willington, Tynemouth Moor and Throckley Collieries, 1775 - 1777 and pay bills for East and Little Benton, 1785 - 1786

1775-01-01 — 1786-12-31

To Mr Murray re financial matters and the purchase of Brockstone Estate (Nottinghamshire) by Lord Middleton which upsets his plans for a waggonway to Nottingham, 31 March 1765.

From [Leonard Hartley Esq], Middleton Tyas, re the building of the second engine by Mr Champion at Mr Tissington's mine and good prospects for future work at his own mine.

Plan of the Mineral Ground at Flakebrigg (Teasdale)

1822-01-01 — 1824-12-31