On the other side the right wing was commanded by the duke of Ferrara, who had like Navarro organized a mobile field artillery (the artillery material of this prince was thought to be the best conditioned in Europe).
The Russians marched in two columns, which lost touch of one another, and as it was quite impossible for either to engage the French singlehanded, they both retired again towards Smolensk, where with an advanced guard in the town itself - which possessed an oldfashioned brick enceinte not to be breached by field artillery alone - the two columns reunited and deployed for action behind the unfordable Dnieper.
Its organization consists of 40 battalions of infantry with one transport and one depot company, 14 regiments of cavalry of 4 squadrons each, 6 regiments of field artillery with 24 batteries and 6 battalions of heavy artillery with 24 batteries, and two battalions of engineers.
He was the author of Instructions for Field Artillery (1860), and of papers on Gettysburg in the "Battles and Leaders" series.
North camp is now named Marlborough Lines, with a field artillery barrack and five infantry barracks called after Marlborough's victories.
