Rovira, Francisco Xavier
Tomo sexto, que comprende la pirotecnia, fortificacion y minas
Cadiz, Academia de Cavalleros Guardias Marinas, 1791
pp[xx] 216. 8 folding plates
a nice crisp copy in a contemporary vellum binding. the extreme leading edges of the boards are lightly affected by rot, the upper hinge is cracking, and the front free end-paper is lacking
the final volume in a series of texts published between 1781 and 1791 for the use of Spanish naval cadets, covering the subjects of pyrotechnics, fortification and mines. the earlier volumes covered arithmetic, geometry, trigonometry, artillery, and bombardment
