| Description | 'Midsummer 1785.' (This item is a small hardback notebook with a green cover. On the cover is written the preceding inscription. The notebook contains observations, calculations and diagrams related to engines and mining. The notebook contains pages of notes such as; 'Velocity of Engines' , 'Power and effect of Fly’s when applied to Mills or other machines' and 'Expense of Travelling.' Enclosed in the notebook are three items. The first is a sample of material measuring approximately 1 inch by 2 inches. The second item is note from Mr R. Morris of 17, Devonshire Street, Queens Square to Matthew Boulton. The third item is a receipt signed by a Michael Taylor, that reads; 'London, April 29th 1786. Received of Mr Boulton the sum of One pound, eleven Shillings and sixpence, being one half of the subscription for One copy of Logarithmic Tables, now in the press; which I promise to deliver according to the terms of my printed proposals.') |