A device intended to prevent combustible materials, usually sparks or other tiny flaming debris, from escaping into areas

Spark Arrestor

A device intended to prevent combustible materials, usually sparks or other tiny flaming debris, from…

The steam-vessels were protected by torpedo-nets formed of ropes weighted with iron or lead, and furnished with hooks to catch the little submarine mines. These nets were hung from spars placed athwart the bowsprit in front of the vessel, and sometimes in like manner along its sides.

Torpedo Net

The steam-vessels were protected by torpedo-nets formed of ropes weighted with iron or lead, and furnished…