
The SciencesFebruary 15, 1919
The Detection of “Ghosts” in Prisms—II
A Method of Developing Prisms Free from Undesirable Reflections

The Detection of “Ghosts” in Prisms—II
A Method of Developing Prisms Free from Undesirable Reflections

The Detection of “Ghosts” in Prisms—I
A Method for Developing Prisms Free from Undesirable Reflections