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[[Image]]
View of the Final Inspection Department of the Hamilton Standard Propeller Corporation

THE CONTRIBUTION OF RIGID INSPECTION TO...

           PROVEN DEPENDABILITY

The completeness and thoroughness of the inspection of Hamilton Standard Propellers, from the raw forging to the finished product, is in keeping with the vital importance of [[italicized]]dependability[[/italicized]] in aircraft propellers.
  Inspection starts at the plants supplying us with blade and hub forgings Sworn reports accompany each and every forging, giving the results of tests made on test pieces forged and heat treated with each forging. Each and every forging, whether for government or commercial use, must meet government specifications. Government Inspectors are stationed at each of these plants.
  In our own plant we make a second series of inspections and physical tests of the forgings. Each step in fabrication is checked by a process inspection.
  The illustration shows a portion of our Final Inspection Department where a final check is made of every element that has a bearing on efficiency,dependability or uniformity of product. Every blade is again etched and minutely inspected for flaws.
   Finished hubs are checked by a magnetic detector for the possible existence of seams or cracks not otherwise detectable, even by the use of a high-power lens. Propellers that successfully pass through all these inspections are then, and only then, considered fit to bear the Hamilton Standard escutcheon to the four corners of the world.

    HAMILTON STANDARD PROPELLER CORPORATION
              PITTSBURGH,  PENNSYLVANIA

              [[IMAGE OF LOGO]]
              
             DIVISION OF UNITED AIRCRAFT
             AND TRANSPORT CORPORATION