I think, without exception, the diamond is the most sensitive substance I have yet met for ready and brilliant phosphorescence.
In: James Samuelson and William Crookes, Chapter IV, Modern Physics in High Vacua
I think, without exception, the diamond is the most sensitive substance I have yet met for ready and brilliant phosphorescence.
In: James Samuelson and William Crookes, Chapter IV, Modern Physics in High Vacua