TABLE OF CONTENTS PAGE Foreword.......................................................................... 3 Basic Service Systems.................................................... 4-5 General Brake Information............................................ 5-11 Coefficient of Friction..................... 11-12 Actuating Systems........................................................ 12 Mechanical................................................... 13 Hydraulic....................... 14-15 Vacuum........................................................................ 15-18 Air................................................................................. 18-20 Electric . .................................................................20-21 Service Technique of Modern Brakes...................... 23 Lockheed Single Cylinder Brake......................... 24-27 Lockheed Two Cylinder Brake............................. 27-28 Ford Hydraulic Brake (1939-48)...................... 28-29 Lockheed Self-Centering Brake .........................29-33 Bendix Brake................................................................33-35 Huck Brake................................................................35-36 Chrysler Disc Brake.............................................. 36-37 Wagner Self Centering Brakes (Pass.

;* . i IL I SCF-ALLF-01671 Other Volumes in this Series Users of this volume will find much value in its companion volumes.

Industrial Hygiene Dlgeet February, 1956 204 Urinary Lasd Excretion following Treatment with Sodium Calcium Ethylaaa^amiwetetraacctate.

71 f Industrial Hygiene Digest INDUSTRIAL HEALTH NEWS LITERATURE ABSTRACTS MEDICAL ENGINEERING CHEMICAL TOXICOLOGICAL INDUSTRIAL HYGIENE FOUNDATION MELLON INSTITUTE 4400 FIFTH AVENUE -i- PITTSBURGH 13, PA.

1957 National Safety Congress mists, fumes, dusts.

32 TABLE 5 Part III Study o( Combined Cohorts Combined death rates per 100,000 man-years of risk for Asbestos and THctford Mines "Proved" cancer of lung death rate1 per 100,000 man-years of risk 25.S { 9 35271.5 "Suspected" plus proved cancer of lung death rate per 100,000 man years of risk a 34,0 ( 12 . 35271.5 In two, no autopsy was performed but the clinical signs and symptoms were such that the death certificates read "cancer of the Lung", and "suspected lung cancer".

VI.

87. 109.

* Industrial Hygiene Digest August.

/9d/ Xattnnal Safety Congress On every side, and as far as the ere could st.< Into the heavy distance, tall chimneys, crowding on each other, and presenting- that endless repetition of the same dull. ugly form, which is the horror of oppressive dreams, poured out their plague or smoke, obscured the light. and made foul the melancholy air.

Yazoo Gty, Miss.; E.

t) Yoik i Oe* iford.

Indualrlal HvaUni Diae.l AurukIi lOfal hatardt.

Itiduatrtal Hygiene Digest December. 1962 Xtr I 11)0 Proteinuria in Chronic Cadmium Poisoning. (2) The Applicability of Quantitativs and Quali t tative Methods of Protein Pet*rmiiwttcn for the Demonstration of Cadmium Proteinuria.

m member companies.