Physical description
Short ear (3 screw) with worn trolley wire bent at either end. Ear - brass, with clamp on fitting used to hold trolley wire in position and steel bolt, steel spring washer. Trolley wire cut about 40mm on either side. One side has pulled out of ear - has no groove on one side. Shows how ear has worn while in service. Screws could not be removed while attached to wire. See original worksheet for sketch.
Images added 3-12-2016