The SciencesFebruary 15, 1919
The Detection of “Ghosts” in Prisms—II
A Method of Developing Prisms Free from Undesirable Reflections
Stories by T. Smith
The SciencesFebruary 8, 1919
The Detection of “Ghosts” in Prisms—I
A Method for Developing Prisms Free from Undesirable Reflections