A weekly programme about work in the world of science
The Isaac Newton Telescope the largest Schmidt telescope in the world by George Sisson , O.B.E., F.R.A.S .
Britain is building the largest Schmidt telescope in nhe world—the m,rror for it is already ground, polished, and figured. Mr. Sisson, who is general manager of the firm that has made the mirror, describes manufacturing procedure and some of tihe difficulties encountered in making the 98-inch Isaac Newton mirror.