Subject: NITRO-EXPLOSIVES - A PRACTICAL TREATISE, by P. GERALD SANFORD, F.I.C., F.C.S., 1896. Not in Copyright. Section on The Waltham Abbey Process at the Royal Gunpowder Factory, p 89. Also 2 advertisements for incorporating machines and hydro-extractors.
Description: NITRO-EXPLOSIVES - A PRACTICAL TREATISE, by P. GERALD SANFORD, F.I.C., F.C.S., 1896. Not in Copyright. Section on The Waltham Abbey Process at the Royal Gunpowder Factory, p 89. Also 2 advertisements for incorporating machines and hydro-extractors.
