FATIGUE STUDY

Fig. 1
This is a picture of the pin plan we use, which shows the city as divided into districts, and which shows the collectors and contributors, as marked by different coloured pins.

FATIGUE STUDY

The Elimination of Humanity’s Greatest Unnecessary Waste

A FIRST STEP IN MOTION STUDY

FRANK B. GILBRETH
Member of American Society of Mechanical Engineers

AND

LILLIAN M. GILBRETH, Ph. D.

New York
STURGIS & WALTON
COMPANY
1916

Set up and electrotyped. Published February, 1916.