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“Bite-Size Bits of Local, National, and Global History”
Vicksburg in Warren County, Mississippi — The American South (East South Central)
 

U.S.S. Cairo

Engine and Boilers, 1862

 

—National Historic Mechanical Engineering Landmark —

 
U.S.S. <i>Cairo</i> Marker image. Click for full size.
By Richard E. Miller, August 7, 2010
1. U.S.S. Cairo Marker
Inscription.
The Cairo is the sole survivor of the fleet of river gunboats built by the Union during the Civil War with the object of controlling the lower Mississippi River. Designed by Samuel Pook and built by James B. Eads, the 175-foot ironclad vessel had 13 guns.

The propulsion system is the only known early example of the widely used “Western Rivers” steamboat engine, characterized by multiple fire-tube boilers with shared steam and mud drums and a two-cylinder non-condensing engine having a small bore, long stroke and poppet valves. This engine was designed by A.T. Merritt. With a 22-inch bore and 6-foot stroke, it developed about 600 horsepower and drove a sheltered paddlewheel of 22-foot diameter and 15-foot width.

The American Society of Mechanical Engineers - 1990
 
Erected 1990 by the American Society of Mechanical Engineers.
 
Location. 32° 22.537′ N, 90° 52.003′ W. Marker is in Vicksburg, Mississippi, in Warren County. Marker can be reached from Given Hill Road north of Union Avenue. Click for map. Marker is on the fence at the port (east) side of the U.S.S. Cairo, west of the Cairo Museum building. The Museum parking area is in the northwest corner
The restored gunboat, U.S.S. <i>Cairo</i> image. Click for full size.
By Richard E. Miller, August 7, 2010
2. The restored gunboat, U.S.S. Cairo
Note the damage to the wooden hull at the bow, portside - the result of the mine ("torpedo") explosion that sank the ship in 1862. Except for the simulated smoke stacks, all of the visible structures are original or authentic material.
of the Vicksburg National Military Park, across Given Hill Road from the Vicksburg National Cemetery. Given Hill Road is generally accessed via the Park's tour roads from its Clay Street entrance off I-20/U.S 80. Marker is in this post office area: Vicksburg MS 39180, United States of America.
 
Other nearby markers. At least 8 other markers are within walking distance of this marker. The Sinking of Cairo (here, next to this marker); Vicksburg Navy Memorial (approx. 0.2 miles away); Tennessee (approx. 0.4 miles away); John Adams (approx. 0.4 miles away); Randal W. MacGavock (approx. 0.4 miles away); Campaign, Siege and Defense of Vicksburg, 1863. (approx. 0.4 miles away); Soldiers Rest C.S.A. Cemetery (approx. one mile away); Thayer's Approach. (approx. one mile away). Click for a list of all markers in Vicksburg.
 
Also see . . .
1. National Park Service - USS Cairo Gunboat and Museum. (Submitted on September 20, 2010, by Richard E. Miller of Oxon Hill, Maryland.)
2. U.S.S. Cairo. (Submitted on September 20, 2010, by Richard E. Miller of Oxon Hill, Maryland.)
 
Additional keywords. U.S. Navy; Western River Squadron; Yazoo River; National Register of Historic Places.
 
Categories. LandmarksWar, US CivilWaterways & Vessels
 
Interpertive panel explaining how <i>Cairo</i> was sunk, 12 December 1862 image. Click for full size.
By Richard E. Miller, August 7, 2010
3. Interpertive panel explaining how Cairo was sunk, 12 December 1862
U.S.S. <i>Cairo</i> image. Click for full size.
1862
4. U.S.S. Cairo
from the U.S. Naval Historical Center archives.
Interpretive panel : "The Armor" image. Click for full size.
By Richard E. Miller, August 7, 2010
5. Interpretive panel : "The Armor"
U.S.S. <i>Cairo</i> - view of her restored gun deck image. Click for full size.
By Richard E. Miller, August 7, 2010
6. U.S.S. Cairo - view of her restored gun deck
 
 
Credits. This page originally submitted on , by Richard E. Miller of Oxon Hill, Maryland. This page has been viewed 891 times since then and 20 times this year. Photos:   1, 2, 3, 4, 5, 6. submitted on , by Richard E. Miller of Oxon Hill, Maryland. • Craig Swain was the editor who published this page. This page was last revised on June 16, 2016.
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