Completion report on operational bearing recorder
Publisher: Underwater Sound Laboratory, Harvard University
Published: 1945
Place of publication: Cambridge, Mass
Language: eng
Number of pages: 11
Subjects: Gunners; Training of; Equipment and supplies; Target acquisition; Sonar; United States. Navy
Other titles: Operational bearing recorder
Notes: "Confidential."

"Submitted for Harvard University under contract OEMsr-287 by F.V. Hunt."

"Unclassified by NUSL, list no. 464, dated 7/9/47"--Stamp on cover.

At head of title: Office of Scientific Research and Development, National Defense Research Committee, Division 6--Section 6.1.

"March 1, 1945."

Includes bibliographical references (p. 11).