We say to the _loss_ as well as to the mortification of the workman, for it is a principle that pervades the whole administration of this establishment, though for special reasons the principle is somewhat modified in its application to the welder, as will hereafter be explained, that each workman bears the whole loss that is occasioned by the failure of his work to stand its trial, from whatever cause the failure may arise. As a general rule each workman stamps every piece of work that passes through his hands with his own mark--a mark made indelible too--so that even after the musket is finished, the history of its construction can be precisely traced, and every operation performed upon it, of whatever kind, can be carried home to the identical workman who performed it. The various parts thus marked are subject to very close inspection, and to very rigid tests, at different periods, and whenever any failure occurs, the person who is found to be responsible for it is charged with the loss. He loses not only his own pay for the work which he performed upon the piece in question, but for the whole value of the piece at the time that the defect is discovered. That is, he has not only to lose his own labor, but he must also pay for all the other labor expended upon the piece, which through the fault of his work becomes useless. For example, in the case of the barrel, there is a certain amount of labor expended upon the iron, to form it into scalps, before it comes into the welder's hands. Then after it is welded it must be bored and turned, and subjected to some other minor operations before the strength of the welding can be proved. If now, under the test that is applied to prove this strength--a test which will be explained fully in the sequel--the work gives way, and if, on examination of the rent, it proves to have been caused by imperfection in the welding, and not by any original defect in the iron, the welder, according to the general principle which governs in this respect all the operations of the establishment, would have to lose not only the value of his own labor, in welding the barrel, but that of all the other operations which had been performed upon it, and which were rendered worthless by his agency. It is immaterial whether the misfortune in such cases is occasioned by accident, or carelessness, or want of skill. In either case the workman is responsible. This rule is somewhat relaxed in the case of the welder, on whom it would, perhaps, if rigidly enforced, bear somewhat too heavily. In fact many persons might regard it as a somewhat severe and rigid rule in any case--and it would, perhaps, very properly be so considered, were it not that this responsibility is taken into the account in fixing the rate of wages; and the workmen being abundantly able to sustain such a responsibility do not complain of it. The system operates on the whole in the most salutary manner,