Abstract: A fastener for supporting a section of wallboard inserted into the opening of a wall consisting of a metal clip having a pair of flat segments for engaging adjacent portions of the section and the wall. A V-shaped member connects the two flat segments and spikes are employed on the V-shaped member and the flat segments to effect the attachment.

Abstract: A novel type of washer for installation at a terminal of a storage battery so to make an improved electrical contact between the terminal; the washer consisting of a circular ring made of a tin and lead alloy which when squeezed between the face of the terminal and the face of a lug mounted on the end of the cable deforms the washer surface to fit precisely to the mating faces and forms a broad surface contact.