<div class="description">
<dl><dd>The metadata below describe the original scanning. Follow the "All Files: HTTP" link in the "View the book" box to the left to find XML files that contain more metadata about the original images and the derived formats (OCR results, PDF etc.). See also the &lt;a href="<a rel="nofollow" class="external free" href="https://archive.org/about/faqs.php#140">https://archive.org/about/faqs.php#140</a>" rel="nofollow"&gt;What is the directory structure for the texts?&lt;/a&gt; FAQ for information about file content and naming conventions.</dd>
<dd>At head of title: Georgetown college observatory</dd>
<dd>Contains six papers, each with special t.-p</dd>
<dd>Preface signed: J. G. Hagen, S. J</dd>
<dd>I. The photochronograph and its application to star transits, by G. A. Fargis. 1891.--II. The photochronograph applied to determinations of latitude, by G. A. Fargis. 1892.--III. The reflecting zenith telescope, by José Algué. 1893.--IV. The photographic zenith telescope, by G. A. Fargis. 1894.--V. The photochronograph applied to measures of double stars and planets, by G. A. Fargis. 1894.--VI. Suggestions regarding the application of the photochronograph, by J. T. Hedrick. 1894</dd></dl><br>Subjects: Photochronograph</div>
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<dl><dd>Georgetown College Observatory (Washington, D.C.)</dd>
<dd>Hagen, Johann G., 1847-1930</dd>
<dd>Algué, José, b.1856</dd>
<dd>Fargis, George Aloysius, 1854-1916</dd>
<dd>Hedrick, John T</dd></dl></div>
Internet Archive identifier