| Description | '1780.' (This item is a small hardback notebook with a green cover. On the cover is written the preceding inscription. The notebook contains dated entries of experiments concerning boilers and notes made respecting individual boilers. At the beginning of the notebook there are hand drawn tables for recording and comparing calculations relating to boilers. Enclosed in the notebook is a single sheet with calculations comparing 'The Mill Engine' and 'The Soho Engine'.) |