A damper for an upright piano is provided for improving sound stopping capabilities and consequently improving sequential touching capabilities without adversely affecting a key touch feeling. The arrangement of the light sources is that one light source burns in the bottom of one leg with an upward-directed flame, and the other light source burns with a visibly downward-directed flame in the upper part of the second leg. A dielectric film pattern is formed on the first metal wiring. The inner rotor has an inner rotor generator winding. The reports are stored in a memory of a network device of the radio communication system and a position determining unit takes into account at least two reports stored prior to the request for position estimation, in order to estimate the position of the subscriber station. The upper part of the two-part tube is adapted to receive a post member therein, and a first and a second set of tubes extend at the respective ends the two-part tube and are each attached to drop.