Document XOjg6mVBbRNdBd1kJDxg8Mpgw

| THE MANUAL OF INDUSTRIAL SAFETY BY SIDNEY J. WILLIAMS. C.E. DIRECTOR. PUBLIC SAFETY" DIVISION, NATIONAL SAFETY COUNCIL FORMERLY", CHIEF ENGINEER. NATIONAL SAFETY COUNCIL CHIEF ENGINEER. WISCONSIN INDUSTRIAL COMMISSION | i 1 CHICAGO V NEW YORK A. W. SHAW COMPANY LONDON. A. W. SHAW AND COMPANY. LIMITED 1927