| Description | (This item is a small hardback notebook with a green cover. On the cover is written the preceding inscription. The notebook contains observations, calculations, diagrams and accounts all relating to engines and mining. The notebook contains pages of notes such as; 'Proposals for Manufacturing copper coin' and 'Steam Wheel Carriages.' The notebook also contains dated entries of experiments and observations, such as; 'July 1st 1786. A random valuation of B & W mines in Cornwall' and 'Experiment. August 3rd 1786 by Mr Roberts.') |