Test on Buzzers, Navy Types Z-1 and Z-2 Manufactured and Submitted by Portsmouth Navy Yard

Abstract

The sample buzzers were set up at this Laboratory in suitable test circuits where their performance was carefully observed for compliance with the requirements. At the conclusion of the test, the samples were carefully inspected to determine their conformance with the specifications, pertaining to design, materials and workmanship, and any defects resulting from the tests.

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Document Details

Document Type
Technical Report
Publication Date
Apr 18, 1939
Accession Number
AD1157855

Entities

People

  • G. K. Hardesty
  • W. B. Roberts

Organizations

  • United States Naval Research Laboratory

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  • Armatures
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