World's oldest Shift register

http://hitxp.wordpress.com/category/%E0%A4%AF%E0%A4%AE%E0%A4%BE%E0%A4%A4%E0%A4%BE%E0%A4%B0%E0%A4%BE%E0%A4%9C%E0%A4%AD%E0%A4%BE%E0%A4%A8%E0%A4%B8%E0%A4%B2%E0%A4%97%E0%A4%82/