The graduating of a perfectly constructed instrument, to a condition to transmit sympathetically, is no standard whatever for any other one that may be built, nor ever will be, because no concordant conditions of compound molecular aggregation can ever exist in visible groupings. If it were even possible to make their parts perfectly accurate one to the other, in regard to atmospheric displacement and weight, their resonating qualities would still have a high rate of sympathetic variation in their molecular groupings alone. If one thousand million of coins, each one representing a certain standard value, and all struck from the same die, were sympathetically graduated under a vibratory subdivision of 150,000, the most amazing variation would present itself, as between each individual coin throughout the number, in regard to their molecular grouping and resonance.... It will be realized in the future what immense difficulties have been encountered by Mr. Keely in perfecting his system of graduation, and in constructing devices for the guidance of artificers and mechanicians, whereby those who are not as abnormally endowed as he is for his work, can bring a proper vibratory action into play to induce positive sympathetic transmission; as will also be realized the stupidity of the men who still seek to confine his researches to perfecting the so-called Keely motor, before his system is sufficiently developed to enable others to follow it up, should his physical strength give out. His system of graduating research, when completed, will enable men to take up the work, not from the standard of an already completed structure that is true in its operation, though a perfect duplicate as to size and gravity be made, for each successively constructed machine requires a knowledge of its own conditions of sensitivity, as regards its mass chords. Keely writes:-- "That tuning forks can be so constructed as to show coincident or concordant association with each other, is but a very weak illustration of the fact which governs pure acoustic assimilation. The best only approach a condition of about a fortieth, as regards pure attractive and propulsive receptiveness. By differentiating them to concordant thirds, they induce a condition of molecular bombardment between themselves, by alternate changes of long and short waves of sympathy. Bells rung in vacuo liberate the same number of corpuscules, at the same velocity as those surrounded by a normal atmosphere; and hence the same acoustic force attending them, but they are inaudible from the fact that, in vacuo, the molecular volume is reduced. Every gaseous molecule is a resonator of itself, and is sensitive to any and all sounds induced, whether accordant or discordant. Answers to Questions.