OF MATTERS.

Another, at the same place, where the quantity of 1,920 pounds of powder was consumed, not including the petards. Pag. 33

Another, made at the same place, where the quantity of 1,080 pounds of powder was consumed. 34

Another, before Mr. du Metz, where the quantity of 7,750 pounds of powder was consumed. ibid.

Another, before the same, where the quantity of 4,700 pounds of powder was consumed. 35

Another, before Mr. de Courtanvaux, where the quantity of 4,200 pounds of powder was consumed. ibid.

Another, before Mr. the Commander of Souvré, where the quantity of 3,300 pounds of powder was consumed. 36

Attachment of the Miner in the counter-guard of the Barlaimont Bastion at Luxembourg. ibid.

Demolition of the Bridge of Huy. 38

Design of furnaces to make a breach simultaneously in the false-bray an outer rampart and the bastion. 39

Tests that have been made concerning Mines. 40

Another Test. ibid.

Another Test. 33*

Another Test. ibid.

Other Tests, made in the presence of the King. 34*

Method of calculating the excavation of a Mine. 35*

Regulation of the charge to be placed in each furnace, according to the quality and quantity of the earth above it: in accordance with what has been exactly observed and experimented through a quantity of tests performed before the King, for several consecutive years. 38*