Namesake: Mount Monadnock, NH

Builder: Boston Navy Yard, Charlestown, MA

Laid Down: 1862

Launched: 23 March 1863

Commissioned: 4 October 1864

Decommissioned: 30 June 1866

Fate: Scrapped, 1874

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Characteristics

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Class & Type: Miantonomoh-class monitor

Displacement: 3,295 long tons

Length: 259 ft 6 in.

Beam: 52 ft. 6 in.

Draft: 12 ft. 3 in.

Depth: 15 ft. 6 in.

Installed Power: 4 Martin water-tube boilers

1,400 ihp

Propulsion: 2 shafts; 2 vibrating-lever steam engines

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