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We have all been used to seeing bricklayers tap each brick after it is placed on its bed of mortar several times with the end of the handle of the trowel so as to secure the right thickness for the joint. Mr. Gilbreth found that by tempering the mortar just right, the bricks could be readily bedded to the proper depth by a downward pressure of the hand with which they are laid.
These three kinds of improvements are typical of the ways in which needless motions can be entirely eliminated and quicker types of movements substituted for slow movements when scientific motion study, as Mr. Gilbreth calls his analysis, time study, as the writer has called similar work, are, applied in any trade. Mr.
This elimination of waste of human power, and in connection with it the elimination of waste of equipment and of machine power, have, then, in the course of the last thirty years, been studied and applied in this country in the way roughly outlined by Mr. Taylor, Mr. Gilbreth, Mr. Gantt, Mr. Sanford Thompson, Mr. Barth, Mr. Cook, and Mr. Hathaway; and in somewhat the same manner by Mr.
Gilbreth through his motion and time study in laying bricks, will appreciate the great possibilities for quicker methods of doing all kinds of hand work which lie before every tradesman after he has the help which comes from a scientific motion and time study of his work.
Frank B. Gilbreth, a member of our Society, who had himself studied bricklaying in his youth, became interested in the principles of scientific management, and decided to apply them to the art of bricklaying. He made an intensely interesting analysis and study of each movement of the bricklayer, and one after another eliminated all unnecessary movements and substituted fast for slow motions.
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