Sun – Shine Recorder is manufactured as per IS: 7243: 1974, and is used for accurate measurement of the duration of Bright Sunshine. Basic main components are Bowls that are precisely manufactured from Bronze as per IS: 306: 1968. The Base is of White Marble. The Sphere Bowl is made from uniformed and well-annealed air bubbles free Glass having good surface finish. This instrument is supplied with recording graphs for one year.