Title: Estimate of appropriation for cast-steel top carriages for 12-inch mortars. Letter from the Secretary of the Treasury, transmitting a copy of a communication from the Secretary of War submitting an estimate of appropriation under "Armament of Fortifications" for cast-steel top carriages for 12-inch mortars
Subjects: Carriages and carts, Cast Steel, Mortars (Ordnance), Steel, Cast