Patent for an insect destroyer consisting of a steam-generator used with "removable drawers forming the fire-box and ash-pan of the generator, a safety-valve connected with the steam-boiler, and a novel form and construction of flexible discharge-tube, the same being provided with a cut-off device and with a socket-piece adapted to receive a handle by means of which the discharge end of the flexible tube may be elevated and conducted to any desired point" (lines 12-21).