Browse Items (1976 total)

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  "Noise reduction study in a scaled model acoustic test facility."

  The acoustic properties of five insulation materials were investigated in a 1/10- scale model acoustic facility. The materials were designed for applications in space vehicles. The model facility, consisting of a reverberation chamber coupled to an anechoic chamber, was evaluated for its use in noise reduction testing. It was found that a reasonably diffuse sound field existed above 900 Hertz. Modal density graphs of the reverberation chamber and spatial acoustic gradients measured within the chamber and across the test panel opening are compared to an idealized facility.; Prepared for the 75th Meeting of the Acoustical Society of America,Ottawa, Ontario, Canada. May 21 - 24, 1968.
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  "Nondestructive testing of space vehicle liquid propellant rocket engines."

  Presented at the Western Metals Congress, Los Angeles, California, 15 March 1967.; Archive copy is a photocopy.; ABSTRACT: This report describes the various nondestructive test methods employed to evaluate materials and processes used in the manufacture of large liquid propellant rocket engines at the Rocketdyne Division of North American Aviation, Inc. The contents of the paper were purposely oriented for an audience of aerospace, design and materials engineers. A brief description of liquid propellant rocket engine reliability is presented. The relationship of standards and specifications to nondestructive testing is discussed and various test methods are described along with a discussion of their applications and limitations. The sequence of events leading up to the use of nondestructive testing in production inspection is presented. Finally, the organization of labor directly related to nondestructive testing is given.
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  "North American Rockwell News: Space Division Skywriter: Volume 29 Number 37."

  An entire newspaper containing a number of articles both related and not related to the Saturn program.
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  "Nortronics Huntsville organizational chart."

  Nortronics/Northrop corporate organizational chart. Contains descriptions of the staff below the charts.
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  "Note to Dr. Mueller from Samuel C. Phillips."

  a note to Dr. Mueller from Samuel C. Phillips regarding the designations of space vehicles.
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  "Notes on the Nickerson Case."

  A typed version and the andwritten notes regarding the Nickerson case. The author is unknown. These notes regard Nickerson's "Considerations on the Wilson Memorandum" and more.
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  "Notice to Petitioner."

  This card was sent from the U. S. Department of Justice Immigration and Naturalization Service in Atlanta, Georgia to William August Schulze. The card serves as notification of his naturalization hearing at the Post Office Building in Birmingham, Alabama, on November 11, 1954. Typed instructions at the bottom of the card read, "BRING YOUR ALIEN REGISTRATION CARD WITH YOU." Schulze was later naturalized in Huntsville on April 14, 1955.
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  "NR executives hail technology exchange."

  A news article detailing a Technology Exchange event held by North American Rockwell Corperation.
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  "Nuclear engine design considerations."

  The intent of this paper is to examine the static test countdown organization and discuss the need for a systematic method to organize a countdown.
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  "Oct. 1956 Panorama Drive, Huntsville High, Junior High, Germany."

  Intro shows the exterior of the Dannenberg residence as well as the yard in October of 1956. Remainder of film shows Klaus and Ingeborg Dannenberg visiting Huntsville High School.