ctive or noxious chemical prepara- to shells intended to be fired through metal plates, Take asphaltum 10 lbs. and gum anime 4 lbs. and 2J tions. Gun cotton or compressed powder may be gallons of linseed oil, and boil these in an iron ves- used with advantage for the bursting charge ; or ex- 3.… … facility a 5-inch wrought-iron armor plate supported oil is employed to make the varnish tough and water- by a heavy backing of timber and iron skin. It will proof. Asphaltum alone With drying oil may be suchas may be used as armor for ships, forts, or other be remarked that the shells shown are…
Patents · Combination · Claim · Purpose · Manner · Oil · Purpose set · Tuns · Address munn · Severally numbered · Scientific American · Shallow evaporating · York city · Armor plates · Purposes set · Patent office · Large quantity
Internet Archive · Public domain (published before 1931). Free to use for anything.