Amaradasa, H.D.S.; Abeywickrama, S.S.; Ranatunga, E.M.; Mahanama, G.D.K.
(Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2016-01-28)
A study of mirror making was initiated with the aim of designing a
Newtonian reflecting telescope. Parabolic mirror of 15 cm aperture and 1.49
m focal length was made utilizing two identical Soda-lime glass disks. One ...