"The invisible space octaves beyond our range of present perception may be considered three and one half in number: if one considers 1) the last half of the ninth octave to be part of the first, invisible, space octaves, and 2) all of the third octave elements to be unknown, though only four elements are yet undiscovered. The last half of the ninth octave includes the elements tomion, alberton, blacton, and boston. The four yet keynote inert gas alphanon. See page 272. [The Secret of Light, page 292]