The Royal Society asked Francis Lodwick to translate Letter L-168 about cinnebar and gunpowder
Date:
April 3, 1686
Document:
Birch, History, vol IV, p. 468, 24 March 1686 (O.S.) in London:
Mr. LODWICK was desired to translate a letter of Mr. LEEWENHOECK's containing his microscopical observarions upon cinnabar and gun-powder.