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  <front>
    <journal-meta>
      <journal-id journal-id-type="issn">2411-3336</journal-id>
      <journal-id journal-id-type="eissn">2541-9404</journal-id>
      <journal-title-group>
        <journal-title xml:lang="ru">Записки Горного института</journal-title>
        <journal-title xml:lang="en">Journal of Mining Institute</journal-title>
      </journal-title-group>
      <publisher>
        <publisher-name xml:lang="ru">Санкт-Петербургский горный университет императрицы Екатерины ΙΙ</publisher-name>
        <publisher-name xml:lang="en">Empress Catherine II Saint Petersburg Mining University</publisher-name>
      </publisher>
    </journal-meta>
    <article-meta>
      <article-id custom-type="pmi" pub-id-type="custom">pmi-11459</article-id>
      <article-id pub-id-type="uri">https://pmi.spmi.ru/pmi/article/view/11459</article-id>
      <article-categories>
        <subj-group subj-group-type="section-heading" xml:lang="ru">
          <subject>Без раздела</subject>
        </subj-group>
        <subj-group subj-group-type="section-heading" xml:lang="en">
          <subject>Without section</subject>
        </subj-group>
      </article-categories>
      <title-group>
        <article-title xml:lang="en">Autoreduction optical plummet with liquid lens</article-title>
        <trans-title-group xml:lang="ru">
          <trans-title>Авторедукционный оптический отвес с жидкостной линзой</trans-title>
        </trans-title-group>
      </title-group>
      <contrib-group>
        <contrib contrib-type="author" corresp="yes">
          <name name-style="eastern">
            <surname>Gusev</surname>
            <given-names>N. A.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Гусев</surname>
              <given-names>Н. А.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Gusev</surname>
              <given-names>N. A.</given-names>
            </name>
          </name-alternatives>
          <email>pmi@spmi.ru</email>
          <xref ref-type="aff" rid="aff1"/>
        </contrib>
        <aff-alternatives id="aff1">
          <aff>
            <institution xml:lang="ru">Ленинградский горный институт (Россия)</institution>
          </aff>
          <aff>
            <institution xml:lang="en">Leningrad Mining Institute (Russia)</institution>
          </aff>
        </aff-alternatives>
      </contrib-group>
      <pub-date pub-type="epub" iso-8601-date="1975-01-01">
        <day>01</day>
        <month>01</month>
        <year>1975</year>
      </pub-date>
      <pub-date date-type="collection">
        <year>1975</year>
      </pub-date>
      <volume>67</volume>
      <issue>1</issue>
      <fpage>231</fpage>
      <lpage>235</lpage>
      <history>
        <date date-type="received" iso-8601-date="1974-07-23">
          <day>23</day>
          <month>07</month>
          <year>1974</year>
        </date>
        <date date-type="accepted" iso-8601-date="1974-09-11">
          <day>11</day>
          <month>09</month>
          <year>1974</year>
        </date>
        <date date-type="rev-recd" iso-8601-date="1975-01-01">
          <day>01</day>
          <month>01</month>
          <year>1975</year>
        </date>
      </history>
      <permissions>
        <copyright-statement xml:lang="ru">© 1975 Н. А. Гусев</copyright-statement>
        <copyright-statement xml:lang="en">© 1975 N. A. Gusev</copyright-statement>
        <copyright-year>1975</copyright-year>
        <copyright-holder xml:lang="ru">Н. А. Гусев</copyright-holder>
        <copyright-holder xml:lang="en">N. A. Gusev</copyright-holder>
        <license license-type="open-access" xlink:href="http://creativecommons.org/licenses/by/4.0" xml:lang="ru">
          <license-p>Эта статья доступна по лицензии Creative Commons Attribution 4.0 International (CC BY 4.0)</license-p>
        </license>
        <license license-type="open-access" xlink:href="http://creativecommons.org/licenses/by/4.0" xml:lang="en">
          <license-p>This article is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0)</license-p>
        </license>
      </permissions>
      <self-uri xlink:type="simple" xlink:href="https://pmi.spmi.ru/pmi/article/view/11459">https://pmi.spmi.ru/pmi/article/view/11459</self-uri>
      <abstract xml:lang="ru">
        <p>Современные оптические теодолиты обычно снабжаются располо­женными на алидадной части или на подставке оптическими отвесами, которыми пользуются для центрирования теодолита над вершиной из­меряемого горизонтального угла. ...</p>
      </abstract>
      <abstract xml:lang="en">
        <p>Modern optical theodolites are usually equipped with optical plumb bobs located on the alidade part or on the stand, which are used to center the theodolite over the top of the measured horizontal angle. ...</p>
      </abstract>
    </article-meta>
  </front>
  <body/>
  <back>
    <ref-list>
      <ref id="ref1">
        <label>1</label>
        <mixed-citation xml:lang="ru">Гусев Н.А. Маркшейдерско-геодезические инструменты и приборы. Недра, 1968.</mixed-citation>
        <mixed-citation xml:lang="en">Gusev N.A. Surveyor-geodesic instruments and devices. Nedra, 1968.</mixed-citation>
      </ref>
      <ref id="ref2">
        <label>2</label>
        <mixed-citation xml:lang="ru">Захаров А.И., Зуйков И.И. Теодолиты средней точности и оптические дальномеры. Недра, 1965.</mixed-citation>
        <mixed-citation xml:lang="en">Zakharov A.I., Zuykov I.I. Theodolites of average accuracy and optical rangefinders. Nedra, 1965.</mixed-citation>
      </ref>
      <ref id="ref3">
        <label>3</label>
        <mixed-citation xml:lang="ru">Drodofsky М. Zeitschrift für Vermessungs. Н. 4, 1960.</mixed-citation>
        <mixed-citation xml:lang="en">Drodofsky M. Zeitschrift für Vermessungs. No. 4, 1960.</mixed-citation>
      </ref>
    </ref-list>
  </back>
</article>
