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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-15292</article-id>
      <article-id pub-id-type="uri">https://pmi.spmi.ru/pmi/article/view/15292</article-id>
      <article-categories>
        <subj-group subj-group-type="section-heading" xml:lang="ru">
          <subject>Геология</subject>
        </subj-group>
        <subj-group subj-group-type="section-heading" xml:lang="en">
          <subject>Geology</subject>
        </subj-group>
      </article-categories>
      <title-group>
        <article-title xml:lang="en">Several experiments on crystals carved into spherical forms</article-title>
        <trans-title-group xml:lang="ru">
          <trans-title>Несколько опытов над кристаллами, вырезанными по форме шаров</trans-title>
        </trans-title-group>
      </title-group>
      <contrib-group>
        <contrib contrib-type="author">
          <name name-style="eastern">
            <surname>Artemyev</surname>
            <given-names>D. N.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Артемьев</surname>
              <given-names>Д. Н.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Artemyev</surname>
              <given-names>D. N.</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"> (Россия)</institution>
          </aff>
          <aff>
            <institution xml:lang="en"> (Russia)</institution>
          </aff>
        </aff-alternatives>
      </contrib-group>
      <pub-date pub-type="epub" iso-8601-date="1908-06-01">
        <day>01</day>
        <month>06</month>
        <year>1908</year>
      </pub-date>
      <pub-date date-type="collection">
        <year>1908</year>
      </pub-date>
      <volume>1</volume>
      <issue>2</issue>
      <fpage>165</fpage>
      <lpage>165</lpage>
      <history>
        <date date-type="received" iso-8601-date="1907-12-21">
          <day>21</day>
          <month>12</month>
          <year>1907</year>
        </date>
        <date date-type="accepted" iso-8601-date="1908-02-24">
          <day>24</day>
          <month>02</month>
          <year>1908</year>
        </date>
        <date date-type="rev-recd" iso-8601-date="1908-06-01">
          <day>01</day>
          <month>06</month>
          <year>1908</year>
        </date>
      </history>
      <permissions>
        <copyright-statement xml:lang="ru">© 1908 Д. Н. Артемьев</copyright-statement>
        <copyright-statement xml:lang="en">© 1908 D. N. Artemyev</copyright-statement>
        <copyright-year>1908</copyright-year>
        <copyright-holder xml:lang="ru">Д. Н. Артемьев</copyright-holder>
        <copyright-holder xml:lang="en">D. N. Artemyev</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/15292">https://pmi.spmi.ru/pmi/article/view/15292</self-uri>
      <abstract xml:lang="ru">
        <p>В кратких сообщениях 1-го выпуска т. I "Записок Горного Института" (стр. 83) мною было сообщено о некоторых опытах роста шаров (полушаров), приготовленных из кристаллов хромовых и калийных квасцов. Аналогичные опыты были произведены с кристаллами каменной соли (NaCl) из Стассфурта. Спайный кусок такой соли был обточен в виде полусферы диаметром 10 m.m. с центральной плоскостью (100) и наклеен воском на стеклянную полусферу того же диаметра.</p>
      </abstract>
      <abstract xml:lang="en">
        <p>In brief reports of the 1st issue of vol. I of the "Notes of the Mining Institute" (p. 83), I reported on some experiments on the growth of spheres (hemispheres) prepared from crystals of chrome and potassium alum. Similar experiments were carried out with crystals of rock salt (NaCl) from Stassfurt. A welded piece of such salt was ground into a hemisphere with a diameter of 10 m.m. with a central plane (100) and glued with wax onto a glass hemisphere of the same diameter.</p>
      </abstract>
    </article-meta>
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