It is not my intention to relate here the details of the work that occupied our attention in the following weeks. It has been dealt with at length in two technical treatises by Lantin and myself. The theoretical side of our work has been very fully discussed in those two books, but the concrete details are purposely slurred over. The most valuable part of our achievement, the time-wave itself, is hardly mentioned in them.
There is a reason for this, and that reason is the firm intention of Dr. Lantin and myself not to impart any information that would enable anyone to duplicate our own experiment. Thus it is of necessity that parts of this present record are vague and indefinite.
I may say, though, unquestionably, that without the notes that were left us by Cannell, we could never have a
