Italian Commercial Explosives

Italian Commercial Explosives of Nonpermis sible Type, are subdivided into esplosivi per uso a cielo aperto (explosives for use in open work), explosivi per galleria (explosives for tunnel work) and explosivi per cava (explosives for quarry works) (Ref 7 3)... 

Many Italian Mining Explosives are listed under COMMERCIAL OR INDUSTRIAL EXPLOSIVES in Ref 24, Vol 3, on pp C438-R to C440-R (Nonpermissible Explosives) and on pp C451-L R and C454-L (Permissible Explosives). Some of them are listed in this section... 

Gunpowder was the primary explosive used for almost one thousand years. In 1846, the Italian chemist Ascanio Sobrero (1812-1888) first prepared nitroglycerin, but it was twenty years before Alfred Nobel (1833-1896) developed its use commercially. Nobel was bom in Stockholm, Sweden, where his father, Immanuel Nobel (1801-1872), ran a heavy constmction company. When Alfred was four, his father s company went bankrupt and Immanuel left for St. Petersburg, Russia, to start over. Immanuel rebuilt a successful business in Russia, in part due to his ability to develop and sell mines to the Russian Navy for use in the Crimean War. Alfred and the rest of his family joined his father in Russia when he was nine, and Alfred received an excellent education with private tutors. He studied in the United States and Paris where he met Sobrero. Nobel studied... 

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