"Skylight Tube" by Inosho: Presentation on 24th in Kusatsu, Shiga

An explanatory meeting of "Skylight Tube" will be held at the company Inosho in Kusatsu city of Shiga prefecture on 24th.

The mechanism of the illumination system is as follows (website in Japanese):
http://www.skylighttube.co.jp/residential/mechanism/

Kentsu Shimbun: 2013/09/13
http://www.kentsu.co.jp/webnews/html_top/130913590010.html