Dufour (G.H.): De la Fortification Permanente, 2 vols., 4to, Geneva and Paris, 1822, inscribed on front blank of vol. I 'to Gentleman Cadet Thomas George Montgemerie as a Prize for Fortification by the Court of Directors of the East India Company 1848', double-page engraved title to vol. II and 34 double-page plates (light spotting and offsetting), contemporary mottled calf, with centrally-placed gilt armorial (spines worn). (2)

细节
Dufour (G.H.): De la Fortification Permanente, 2 vols., 4to, Geneva and Paris, 1822, inscribed on front blank of vol. I 'to Gentleman Cadet Thomas George Montgemerie as a Prize for Fortification by the Court of Directors of the East India Company 1848', double-page engraved title to vol. II and 34 double-page plates (light spotting and offsetting), contemporary mottled calf, with centrally-placed gilt armorial (spines worn). (2)