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Test on Siren, Type S-1, S-2, Submitted by Federal Electric Company, Inc.
[Technical Report, Formal Report]
NAVAL RESEARCH LAB WASHINGTON DC
Pagination or Media Count:
The sample siren was set up at this Laboratory in suitable test circuits where its performance was carefully observed for compliance with the specifications. The usual inspection of the samples to ascertain whether the materials, design and workmanship were in accordance with the requirements concluded the test.
[A, Approved For Public Release]