It is obvious that the more complicated in construction any machine is, the more time and study are needed to understand it fully; and that the more complicated its method of operation is, the more practice is needed in order to attain skill in operating it.
The more simple the method of operation, the more closely a machine approaches automatism; but even automatic machines are automatic only in so far as their internal mechanisms are concerned; and the fact of their being automatic does not eliminate the necessity for skill in using them. An automatic gun, for instance, no matter how perfectly automatically it discharges bullets, may be fired at an advancing enemy skilfully or unskilfully, effectively or ineffectively.
In operating some machines, such as a soldier's rifle, or a billiard cue, the number of mental, nervous, and muscular operations is apparently very few; yet every physician knows that the number is very great indeed, and the operations extremely complex—complex beyond the knowledge of the psychologist, physicist, chemist, and biologist. The operation of more complex mechanisms, such as automobiles, seems to be more difficult, because the operator has more different kinds of things to do. Yet that it is really more difficult may be doubted for two reasons; one being that each single operation is of a more simple nature, and the other reason being that we know that a much higher degree of skill is possessed by a great billiardist than by an automobile chauffeur. Of course, the reason of this may be that competition among billiardists has been much more keen than among chauffeurs; but even if this be true, it reminds us that the difficulty of operating any machine depends on the degree of skill exacted. It also reminds us that, if a machine is to be operated in competition with another machine, the skill of the operator should be as great as it can be made.
The steaming competitions that have been carried on in our navy for several years are examples on a large scale of competitive trials of skill in operating machines. These machines are very powerful, very complex, very important; and that supreme skill shall be used in operating them is very important too. For this reason, every man in the engineering department of every ship, from the chief engineer himself to the youngest coal-passer, is made to pass an examination of some kind, in order that no man may be put into any position for which he is unfit, and no man advanced to any position until he has shown himself qualified for it, both by performance in the grade from which he seeks to rise, and by passing a professional examination as to the duties in the grade to which he desires to rise.
The same principles apply to all machines; and the common sense of mankind appreciates them, even if the machines are of the human type. A captain of a company of soldiers, in all armies and in all times, has been trained to handle a specific human machine; so has the captain of a football team, so has the rector of a church. The training that each person receives gives him such a subconscious sense of the weights and uses of the various parts of the machine, that he handles them almost automatically—and not only automatically but instantly. The captain on the bridge, when an emergency confronts him, gives the appropriate order instantly.
Now the word "machine" conveys to the minds of most of us the image of an engine made of metal, the parts of which are moved by some force, such as the expansive force of steam. But machines were in use long before the steam-engine came, and one of the earliest known to man was man himself—the most perfect machine known to him now, and one of the most complicated and misused; for who of us does not know of some human machine of the most excellent type, that has been ruined by the ignorance or negligence of the man to whose care it was committed?
A machine is in its essence an aggregation of many parts, so related to each other and to some external influence, that the parts can be made to operate together, to attain some desired end or object. From this point of view, which the author believes to be correct, a baseball team is a machine, so is a political party, so is any organization.
Before the days of civilization, machines were few in type; but as civilization progressed, the necessity for organizations of many kinds grew up, and organizations of many kinds appeared. Then the necessity for knowledge of how to operate those organizations brought about certain professions, first that of the military, second that of the priesthood, and later those of the law, medicine, engineering, etc. As time has gone on, the preparation required for these professions, especially the progressive professions, has become increasingly difficult and increasingly demanded; and the members of the professions have become increasingly strict in their requirements of candidates for membership.
Now the profession that is the most strict of all, that demands the greatest variety of qualifications, and the earliest apprenticeship, is the military. The military profession serves on both the land and the sea, in armies and navies; and while both the land and the sea branches are exacting in their demands, the sea or naval branch is the more exacting of the two; by reason of the fact that the naval profession is the more esoteric, the more apart from the others, the more peculiar. In all the naval countries, suitable youths are taken in hand by their governments, and initiated into the "mysteries" of the naval profession—mysteries that would always remain mysteries to them, if their initiation were begun too late in life. Many instances are known of men who obtained great excellence in professions which they entered late in life; but not one instance in the case of a man who entered the naval profession late in life. And though some civilian heads of navies have shown great mental capacity, and after—say three years'—incumbency have shown a comprehension of naval matters greater than might have been expected, none has made a record of performance like those of the naval ministers of Germany and Japan; or of Admiral Barham, as first lord of the admiralty, or Sir John Fisher as first sea lord, in England.
A navy is so evidently a machine that the expression "naval machine" has often been applied to it. It is a machine that, both in peace and in war, must be handled by one man, no matter how many assistants he may have. If a machine cannot be made to obey the will of one man, it is not one machine. If two men are needed, at least two machines are to be operated; if three men are needed there are at least three machines, etc. One fleet is handled by one man, called the commander-in-chief. If there are two commanders-in-chief, there are two fleets; and these two fleets may act in conjunction, in opposition, or without reference to each other.