Overall: 8 1/4 x 9 1/2 in. ( 21 x 24.1 cm )
mat: 11 x 14 in. ( 27.9 x 35.6 cm )
Inscribed below image in graphite: "Rebel Barricade on Chain bridge. 150 feet from the West End / Pierced for musketry. Iron plated in the West Side. / made of planks 6 inches thick and 9 feet high, with / spikes on the top. Around W.[N.] Side with boiler iron"; verso inscribed and signed at lower left: "Drawn by / Benson J Lossing"
Due to ongoing research, information about this object is subject to change.