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Show TH PRINCIPLE O SCIENTIFI 4 MANAGEMEN both hands at the same time, where before they completed a motio with the right hand and followed it later with one from the left hand Fo example Mr Gilbret teache his bricklaye to pic u brick in the left hand at the same instant that he takes a trowelfu This work with two hands at th of mortar with the right hand same time is, of course, made possible by substituting a deep mortar box for the old mortar board (on which the mortar spread ou so thin that a step or two had to be taken to reach it) and the placing the mortar box and the brick pile close together, and at th proper height on his new scaffold These three kinds of improvements are typical of the ways in whic needless motions can be entirely eliminated and quicker types o motions substituted for slow motions when scientific motion study as Mr. Gilbreth calls his analysis, time study, as the writer ha called similar work, are applied in any trade Most practical men would (knowing the opposition of almost al tradesmen to making any change in their methods and habits) however, be skeptical as to the possibility of actually achieving an large results from a study of this sort. Mr. Gilbreth reports tha a few months ago, in a brick building which he erected, h demonstrated on a commercial scale the great gain which i possible from practically applying his scientific study Wit union bricklayers, in laying a factory wall, twelve inches thick with two kinds of brick, faced and ruled joints on both sides of th wall, he averaged, after his selected workmen had become skilful i his new methods, 350 bricks per man per hour; whereas the averag speed of doing this work with the old methods was, in that sectio of the country, 120 bricks per man per hour His bricklayers wer taught his new method of bricklaying by their foreman Thos who failed to profit by their teaching were dropped, and each man as he became proficient under the new method, received a substantia With a view to individualizin (not a small) increase in his wages his workmen and stimulating each man to do his best, Mr. Gilbret also developed an ingenious method for measuring and recordin the number of bricks laid by each man, and for telling each workma at frequent intervals how many bricks he had succeeded in laying It is only when this work is compared with the conditions whic prevail under the tyranny of some of our misguided bricklayers unions that the great waste of human effort which is going on wil In one foreign city the bricklayers' union have restricte be realized their men to 275 bricks per day on work of this character when working for the city, and 375 per day when working for private owners |