(Civil War) Barbette Carriage for 10-Inch Rodman Gun #world #anewworldofunderstanging Iron Mountain & Southern Railway

Iron Mountain & Southern Railway Co

the condition is good though the paper covers are weak

with the "Unisphere" globe right at the center

Condition is good with some wear and soiling to the edges

"City of Bret Harte & Gertrude Atherton" (Boston)

(Civil War) Barbette Carriage for 10-Inch Rodman Gun #world #anewworldofunderstanging Iron Mountain & Southern Railway(Civil War) Barbette Carriage for 10 Inch Rodman Gun., McClelland U. S. Govt., c. 1861 Detailed engineering engraving for wrought iron carriage that held the 10 inch gun. Thomas Jackson Rodman, a graduate of the military academy, developed a revolutionary method for manufacturing cannons. He theorized that cooling the interior of a cannon while keeping the outer surface hot would create a stronger and more durable weapon. This process, known as the