An apparatus to exterminate insects in the field (Machine-translation by Google Translate, not legally binding)

摘要

An apparatus for exterminating insects in the field, which essentially consists of a bowl or container for containing and burning sulfur, of an air blower fan, operated, by hand, by handle, and of a wide bell, in which the sulphurous gases produced by the sulfur, and by the action of the fan they impele towards the interior of the nest whose access has been covered with the bell. (Machine-translation by Google Translate, not legally binding)