Abstract: Insect electrocution apparatus having a first wire mesh formed of perpendicularly crossed wires spaced from a second wire mesh formed of perpendicularly crossed wires. The spacing device comprises a main body portion having a length equal to the spacing distance with a pair of bosses extending axially from the opposite ends of the main body portion. Each of the bosses defines a slot which receives a wire from a respective wire mesh, and the wire meshes are retained in place with respect to the main body portion. One of the wire meshes is mounted to a chassis plate by means of a grid support formed of insulative material. The grid support is an elongated member having a first portion for connection to the grid and a second portion for connection to the chassis plate.

Abstract: A method and apparatus for forming rows and columns of closely spaced micron sized holes in a thin foil, including a cylindrical member and means for rotating it. There are means for mounting a plurality of axially extending foil strips on the cylindrical member and means for moving said foil strips axially of the cylinder. There are a plurality of stationary lasers uniformly positioned in a single plane about the periphery of said cylindrical member and means for correlating movement of said cylindrical member, axial movement of the foil strips and the firing of said lasers so as to form holes as described in closely spaced rows and columns.