Tests Made with Optical Stethoscope developed by Professor J. E. Shrader, Drexel Institute of Technology

Abstract

The fusion between halves of a laminated plate is so strong that no difference in the vibration record of a known laminated plate and that of a comparable solid plate could be detected by use of the instrument under test. The conclusion was the same both for free and for forced vibration of the plates.

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Document Details

Document Type
Technical Report
Publication Date
Sep 23, 1937
Accession Number
AD1155075

Entities

People

  • Kenneth C. Ripley
  • R. H. Canfield

Organizations

  • United States Naval Research Laboratory

Tags

DTIC Thesaurus Topics

  • Air Pressure
  • Detection
  • Frequency
  • Photographs
  • Rigidity
  • Stethoscopes
  • Stiffness
  • Vibration
  • Waves

Readers

  • Acoustics.
  • Fluid Dynamics.
  • Research Science/Academic Research