Rumford, Benjamin, Graf von, 1753-1814, American Academy of Arts and Sciences · Boston · leaf 142
ith powder. Presuming that what has been already said, togetherwith the assistance of the annexed drawings, will besufficient to give a perfect idea of all the different partsof this apparatus, I shall now proceed to give an ac-count of the experiments, which, from time to time,have been made with…