Report of Test on Bells and Buzzer
Abstract
The subject bells and buzzers, shown by Plates 1 to 8 inclusive, were set up at this Laboratory in suitable test circuits and their performance carefully observed while under test in conformance with the specifications, reference (c). All tests were made in order as specified and were concluded with an inspection of the samples to ascertain whether the sample bells were in strict accordance with the requirements in the matter of materials, design and workmanship.
Document Details
- Document Type
- Technical Report
- Publication Date
- Dec 18, 1936
- Accession Number
- AD1154896
Entities
People
- J. R. Coomes
- W. B. Roberts
Organizations
- United States Naval Research Laboratory