Used by tram drivers to warn road users of their presence or starting to move. MMTB drawing R8808 shows the mounting mechanism and operation. Demonstrates a tramcar warning device used by drivers.Cast steel and fabricated steel foot gong, consisting of cast bell, weighted striker or clapper operating mechanism and parts to enable it to be attached to the underside of the tramcar or driver's platform. The Foot gong plunger is missing. The clapper part has been extended by welding a section of steel onto it and a rolled section of stainless steel wire has been attached to ring it remotely from an overhead position. The item has been cleaned and varnished.tramcars, tramcar equipment, equipment, gongs, foot gong, drivers