<?xml version="1.0" encoding="UTF-8"?><mods xmlns="http://www.loc.gov/mods/v3" xmlns:zs="http://docs.oasis-open.org/ns/search-ws/sruResponse" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.8" xsi:schemaLocation="http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-8.xsd">
  <titleInfo>
    <title>Basic methods for the calibration of sonar equipment</title>
  </titleInfo>
  <titleInfo type="alternative">
    <title>Summary technical report of the National Defense Research Committee</title>
  </titleInfo>
  <titleInfo type="alternative">
    <title>Sonar calibration methods</title>
  </titleInfo>
  <name type="corporate">
    <namePart>United States.</namePart>
    <namePart>Office of Scientific Research and Development.</namePart>
    <namePart>National Defense Research Committee,</namePart>
    <role>
      <roleTerm type="text">issuing body</roleTerm>
    </role>
  </name>
  <typeOfResource>text</typeOfResource>
  <genre authority="marcgt">bibliography</genre>
  <genre authority="marcgt">government publication</genre>
  <genre authority="rdacontent">text</genre>
  <originInfo>
    <place>
      <placeTerm authority="marccountry" type="code">dcu</placeTerm>
    </place>
    <dateIssued encoding="marc">1946</dateIssued>
    <issuance>monographic</issuance>
  </originInfo>
  <originInfo eventType="publication">
    <place>
      <placeTerm type="text">Washington, D.C. :</placeTerm>
    </place>
    <agent>
      <namePart>Office of Scientific Research and Development, National Defense Research Committee, Divison 6,</namePart>
      <role>
        <roleTerm>publisher</roleTerm>
      </role>
    </agent>
    <dateIssued>1946.</dateIssued>
  </originInfo>
  <language>
    <languageTerm authority="iso639-2b" type="code">eng</languageTerm>
  </language>
  <physicalDescription>
    <form authority="marcform">print</form>
    <form authority="rdamedia" type="media">unmediated</form>
    <form authority="rdacarrier" type="carrier">volume</form>
    <extent>xi, 175 pages : illustrations ; 28 cm.</extent>
  </physicalDescription>
  <note>Title on half-title page: Summary technical report of the National Defense Research Committee.</note>
  <note>"Manuscript and illustrations for this volume were prepared for publication by the Summary Reports Group of the Columbia University Division of War Research under contract OEMsr-1131 with the Office of Scientific Research and Development. This volume was printed and bound by the Columbia University Press"--Unnumbered page ii.</note>
  <note>LC Science, Business &amp; Technology copy no. 6. DLC</note>
  <note>In a set of declassified documents held as a collection by the Library of Congress. DLC</note>
  <note type="bibliography">Includes bibliographical references (pages 167-169) and index.</note>
  <note type="additional physical form">Also available in digital form.</note>
  <subject>
    <geographicCode authority="marcgac">n-us---</geographicCode>
  </subject>
  <subject authority="lcsh">
    <topic>Sonar</topic>
    <topic>Calibration</topic>
  </subject>
  <subject authority="lcsh">
    <topic>Anti-submarine warfare</topic>
    <topic>Equipment and supplies</topic>
    <topic>Testing</topic>
  </subject>
  <subject authority="lcsh">
    <topic>Naval research</topic>
    <geographic>United States</geographic>
  </subject>
  <classification authority="lcc">U393 .S7 Div. 6, v. 10</classification>
  <classification authority="lcc">VM480.3</classification>
  <classification authority="ddc">623.893</classification>
  <location>
    <url displayLabel="electronic resource" usage="primary display">http://hdl.loc.gov/loc.gdc/scd0001.00433840161</url>
  </location>
  <relatedItem type="series">
    <titleInfo>
      <title>Summary technical report of Division 6, NDRC</title>
      <partNumber>volume 10</partNumber>
    </titleInfo>
  </relatedItem>
  <identifier type="lccn">2015490955</identifier>
  <identifier type="oclc">6686536</identifier>
  <identifier type="hdl">hdl:loc.gdc/scd0001.00433840161</identifier>
  <recordInfo>
    <descriptionStandard>rda</descriptionStandard>
    <recordContentSource authority="marcorg">NcD</recordContentSource>
    <recordCreationDate encoding="marc">151216</recordCreationDate>
    <recordChangeDate encoding="iso8601">20250607070028.6</recordChangeDate>
    <recordIdentifier>18906808</recordIdentifier>
    <recordOrigin>Converted from MARCXML to MODS version 3.8 using MARC21slim2MODS3-8_XSLT1-0.xsl
				(Revision 1.172 20230208)</recordOrigin>
    <languageOfCataloging>
      <languageTerm authority="iso639-2b" type="code">eng</languageTerm>
    </languageOfCataloging>
  </recordInfo>
</mods>
