fits and to the requirements of which each must adapt its own working. The whole concert of industrial operations is to be taken as a machine process, made up of interlocking detail processes, rather than as a multiplicity of mechanical appliances each doing its particular work in severalty. This comprehensive industrial process draws into its scope and turns to account all branches of knowledge that have to do with the material sciences, and the whole makes a more or less delicately balanced complex of sub-processes.3
Looked at in this way the industrial process shows two well-marked general characteristics: (a) the running maintenance of interstitial adjustments between the several sub-processes or branches of industry, wherever in their working they touch one another in the sequence of industrial elaboration; and (b) an unremitting requirement of quantitative precision, accuracy in point of time and sequence, in the proper inclusion and exclusion of forces affecting the outcome, in the magnitude of the various physical characteristics (weight, size, density, hardness, tensile strength, elasticity, temperature, chemical reaction, actinic sensitiveness, etc.) of the materials handled as well as of the appliances employed. This requirement of mechanical accuracy and nice adaptation to specific uses has led to a gradual pervading enforcement of uniformity to a reduction to staple grades and staple character in the materials handled, and to a thorough standardizing of tools and units of measurement. Standard physical measurements are of the essence of the machine's regime.4
The modern industrial communities show an unprecedented uniformity and precise equivalence in legally adopted weights and measures. Something of this kind would be brought about by the needs of commerce, even without the urgency given to the movement for uniformity by the requirements of the machine industry. But within the industrial field the movement for standardization has outrun the urging of commercial needs, and has penetrated every corner of the mechanical industries. The specifically commercial need of uniformity in weights and measures of merchantable goods and in monetary units has not carried standardization in these items to the extent to which the mechanical need of the industrial process has carried out a sweeping standardization in the means by which the machine process works, as well as in the products which it turns out.
As a matter of course, tools and the various structural materials used are made of standard sizes, shapes, and gauges. When the dimensions, in fractions of an inch or in millimetres, and the weight, in fractions of a pound or in grammes, are given, the expert foreman or workman, confidently and without reflection, infers the rest of what need be known of the uses to which any given item that passes under his hand may be turned. The adjustment and adaptation of part to part and of process to process has passed out of the category of craftsmanlike skill into the category of mechanical standardization. Hence, perhaps, the greatest, most wide-reaching gain in productive celerity and efficiency through modern methods, and hence the largest saving of labor in modern industry.
Tools, mechanical appliances and movements, and structural materials are scheduled by certain conventional scales and gauges; and modern industry has little use for, and can make little use of, what does not conform to the standard. What is not competently standardized calls for too much of craftsmanlike skill, reflection, and individual elaboration, and is therefore not available for economical use in the processes. Irregularity, departure from standard measurements in any of the measurable facts, is of itself a fault in any item that is to find a use in the industrial process, for it brings delay, it detracts from its ready usability in the nicely adjusted process into which it is to go; and a delay at any point means a more or less far-reaching and intolerable retardation of the comprehensive industrial process at large. Irregularity in products intended for industrial use carries a penalty to the nonconforming producer which urges him to fall into line and submit to the required standardization.
The materials and moving forces of industry are undergoing a like reduction to staple kinds, styles, grades, and gauge.5 Even such forces as would seem at first sight not to lend themselves to standardization, either in their production or their use, are subjected to uniform scales of measurement; as, e.g., water-power, steam, electricity, and human labor. The latter is perhaps the least amenable to standardization, but, for all that, it is bargained for, delivered, and turned to account on schedules of time, speed, and intensity which are continually sought to be reduced to a more precise measurement and a more sweeping uniformity.
The like is true of the finished products. Modern consumers in great part supply their wants with commodities that conform to certain staple specifications of size, weight, and grade. The consumer (that is to say the vulgar consumer) furnishes his hose, his table, and his person with supplies of standard weight and measure, and he can to an appreciable degree specify his needs and his consumption in the notation of the standard gauge. As regards the mass of civilized mankind, the idiosyncrasies of the individual consumers are required to conform to the uniform gradations imposed upon consumable goods by the comprehensive mechanical processes of industry. "Local color" it is said, is falling into abeyance in modern life, and where it is still found it tends to assert itself in units of the standard gauge.
From this mechanical standardization of consumable goods it follows, on the one hand, that the demand for goods settles upon certain defined lines of production which handle certain materials of definite grade, in certain, somewhat invariable forms and proportions; which leads to well-defined methods and measurements in the processes of production, shortening the average period of "ripening" that intervenes between the first raw stage of the product and its finished shape, and reducing the aggregate stock of goods necessary to be carried for the supply of current wants, whether in the raw or in the finished form.6 Standardization means economy at nearly all points of the process of supplying goods, and at the same time it means certainty and expedition at neatly all points in the business operations involved in meeting current wants. Besides this, the standardization of goods means that the interdependence of industrial processes is reduced to more definite terms than before the mechanical standardization came to its present degree of elaborateness and rigor. The margin of admissible variation, in time, place, form, and amount, is narrowed. Materials, to answer the needs of standardized industry, must be drawn from certain standard sources at a definite rate of supply. Hence any given detail industry depends closely on receiving its supplies from certain, relatively few, industrial establishments whose work belongs earlier in the process of elaboration. And it ma similarly depend on certain other, closely defined, industrial establishments for a vent of its own specialization and standardization product.7 It may likewise depend in a strict manner on special means of transportation.8
Machine production leads to a standardization of services as well as of goods. So, for instance, the modern means of communication and the system into which these means are organized are also of the nature of a mechanical process, and in this mechanical process of service and intercourse the life of all civilized men is more or less intimately involved. To make effective use of the modern system of communication in any way or all of its ramifications (streets, railways, steamship lines, telephone, telegraph, postal service, etc.), men are required to adapt their needs and their motions to the exigencies of the process whereby this civilized method of intercourse is carried into effect. The service is standardized, and therefore the use of it is standardized also. Schedules of time, place, and circumstance rule throughout. The scheme of everyday life must be arranged with a strict regard to the exigencies of the process whereby this range of human needs is served, if full advantage is to be taken of this system of intercourse, which means that, in so far, one's plans and projects must be conceived and worked out in terms of those standard units which the system imposes.
For the population of the towns and cities, at least, much the same rule holds true of the distribution of consumable goods. So, also, amusements and diversions, much of the current amenities
