TENNANT, SMITHSON.

On the Nature of the Diamond Read December 15, 1796. 6-page printed document, likely the first appearance in the published transcripts of the Royal Society of London. 8vo, numbered [123]-[128], lightly foxed, Polissack sticker on margin of first page. (London, 1796) "Reports results of burning diamond and production of "fixed air" (carbon dioxide) whose quantity approximates that that would be obtained by burning an equal weight of charcoal"--Sinkankas 6563 (for 1809 edition).