I have these different types mounted on a board to display, Front Row: P & S base, P & S cord top, Trumbull Cord top, Paulding cord top, Arrow Hart base, Arrow Hart cord top with base. The 2nd row: S & S cleat type socket, S & S base, Trumbull base, G.E. Co. cord top with Bryant base, T.E.& C. Co. lamp socket, Back row: A & W socket, Star porcelain Co. socket, Paulding socket, Leviton socket, Arrow Hart rotary switch, Circle F lamp socket, Circle F pull chain socket. Hope you enjoyed these photos. Take Care to all.