Catalog containing various quarry blasting explosives and equipment manufactured and sold by the E. I. Du Pont De Nemours & Company. Provides a guide for selecting the proper explosive for quarrying work, detailing the necessary considerations for choosing a product. Provides instruction for conducting well-drilling, then lists blasting supplies related to safety, certainty, and economy in the use of explosives. Includes six advertisements and is fully illustrated with engravings. Work is digitized in its entirety.