as the refining of petroleum, oil, or sugar; in the work of the industrial chemical laboratories ; in the use of wind, water, or electricity, etc.
I Wherever manual dexterity, the rule of thumb, and the fortuitous conjunctures of the seasons ! have been supplanted by a reasoned procedure I on the basis of a systematic knowledge of the I forces employed, there the mechanical industry is I to be found, even in the absence of intricate me[ chanlcal contrivances. It is a question of the character of the process rather than a question of the complexity of the contrivances employed. Chemical, agricultural, and animal industries, as carried on by the characteristically modern methods and in due touch with the market, are to be included in the modem complex of mechanical industry.'
I Even in work that lies ■□ near the fortuities of animate n: M dairying, atock-breeding, and the improvement of crop pttuiis.