Fragments of the manuscript of the second volume of the New System, published in 1827.
A- "Contents of Volume II, part first", 1 folded sheet.
B - Section on alum [pp.344-347 in published version] and "On the principles of the atomic system of chemistry" [pp.347-51 in published version], 4 sheets.
C - "New table on the relative weight of atomes", [p.352 in published version], 1 sheet.
D - "Books, essays etc, publish by the author" 1 sheet.