Subject: A Harrison Ainslie Gunpowder Stock Book of 1871-76 A Crocker & P Sandbach including definition of Gunpowder Grades. And article in Scottish Business and Industrial History July 2011. "Melfort Gunpowder Mills, Argyll - A letter book of 1859-60" Donated by Prof A Crocker
Description: A Harrison Ainslie Gunpowder Stock Book of 1871-76 A Crocker & P Sandbach including definition of Gunpowder Grades. And article in Scottish Business and Industrial History July 2011. "Melfort Gunpowder Mills, Argyll - A letter book of 1859-60" Donated by Prof A Crocker
