Sketch of the Mode of Manufacturing Gunpowder at the Ishapore Mills in Bengal. With a Record of the Experiments Carried on to Ascertain the Value of Charge, Windage, Vent and Weight, Etc. in Mortars and Muskets; Also Reports of the Various Proofs of Powder. By Col. William Anderson. With Notes and Additions by Lieut.-Col. Parlby.William Anderson1862EN