Paper, 'De camphora' by John Brown [Browne] Paper responding to Caspar Neumann's paper on camphor (see CLP/11ii/8). Browne discusses in particular the differences between camphor and camphor thyme, recounting chemical experiments on the herbs. Subject: Chemistry Published in Philosophical Transactions as 'De Camphora. Auctore Dno Joh. Brown, Chym. R. S. S'. Read to the Royal Society on 27 January 1726. [1726]