Scope and Contents File contains:1) H B Leeson, addressed to the Rev G Peacock: no date, no title, but begins ‘The explosive nature of the compound resulting from the mixture of the Oxygen and Hydrogen Gases - - - has hitherto presented a - - - barrier to the free use of that powerful Agent in experimental researches’, illustrated;2) J B Emmett, ‘Researches into the Mathematical Principles of Chemical Philosophy’, 15 pages, illustrated;3) Very rough and much annotated / amended draft of a text...