M. Valliere relates the same story, but differs in the name of the engineer; he says it was Francis George, an Italian, who, serving at Naples in quality of architect, proposed to Peter Navarro, the Spanish governor to take this castle by mines.
Names of every thing used in Mining.
Auget, a kind of small trough, made of strong inch boards, about 4 inches square, in which the saucisson is laid in straw, to prevent the powder from contracting any dampness.
Chamber, the place where the powder is lodged, being first put in cubical boxes made for that purpose.
| Excavation, | - | |
| Entonnoir, |
the pit or hole made by a mine when sprung.
Focus, the centre of the chamber where the powder is lodged.
Fougas, a kind of small mine.
Fourneau, See [Chamber].
Miners’ Tools, are augers of several sorts, levers of different sorts, needles for working in rocks, rakes, spades, shovels, sledge-hammers, masons’ hammers, pick-axes, picks, mattocks, chissels, plummets, rules, a miner’s dial, &c.