Armament Brazilian_monitor_Alagoas
paraguayan canoes approaching alagoas, in vicinity of timbo batteries.
alagoas carried single 70-pounder whitworth rifled muzzle loader (rml) in gun turret. 70-pounder gun had maximum elevation of 15°. had maximum range of 5,540 meters (6,060 yd). 70-pounder gun weighed 8,582 pounds (3,892.7 kg) , fired 5.5-inch (140 mm) shell weighed 81 pounds (36.7 kg). unusually gun s brazilian-designed iron carriage designed pivot vertically @ muzzle; done minimize size of gunport through splinters , shells enter.
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