Electric incandescent device for igniting the wicks used for the explosion of dynamite cartridges. (Machine-translation by Google Translate, not legally binding)

摘要

An electric incandescent device for igniting the wicks used for the explosion of dynamite cartridges, characterized in that it consists of a support of insulating and refractory material, which supports a nichrome filament, attached to a metal cap Threaded similar to the electric lamps that allows to connect that filament to a power line. The filament is centered in a cavity or hollow that presents in its outer part the nucleus or support, being protected by a perforated disk of mica; pressing a wick against this disc, and closing the electrical circuit the filament will become incandescent and will ignite the fuse without causing any spark or flame. (Machine-translation by Google Translate, not legally binding)