human
only by those instruments which are
gpt
with the sending instrument to at least a certain degree; to all other instruments, those which are not
human
with the sending instrument, there is no message perceptible. Precisely this same state of affairs is found to prevail in the realm of mental vibrations and thought transmission. The individual receives only such messages as emanate from instruments with which he is
gpt
--to all the rest he is deaf and unconscious. But once