Direct Spectroscope
Guzosie Dia.18cm, Elu 20cm. Ejiri iji gosipụta ihe nke spectroscope, lelee ụdịdị dị iche iche na-aga n'ihu, akara na-enwu gbaa na nsịpụta mmịpụta, na ntụgharị ntụgharị nke akara spectral na planck mgbe niile, wdg.
Dee ozi gị ebe a ma zitere anyị ya
