The Melbourne Observatory Dallmeyer photoheliograph and the 1874 transit of Venus

Clark, B.A.J., and Orchiston, Wayne (2004) The Melbourne Observatory Dallmeyer photoheliograph and the 1874 transit of Venus. Journal of Astronomical History and Heritage, 7 (1). pp. 44-49.

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Abstract

An improved form of De La Rue's photoheliograph built by Dallmeyer was installed at Melbourne Observatory in time to observe the 1874 transit of Venus. Photographs obtained included some made with De La Rue's version of Janssen's rapid sequence photographic camera. A succession of adverse circumstances has led to the preservation of the photoheliograph at Melbourne, unaltered from its nineteenth century form. It is expected to be usable again in its original domed building for the 2004 transit of Venus.

Item ID: 4975
Item Type: Article (Refereed Research - C1)
Keywords: Dallmeyer photoheoliograph; Melbourne Observatory; 1874 transit of Venus; astronomical photography; heritage preservation
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Reproduced with permission from the editor of the "Journal of Astronomical History and Heritage."

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ISSN: 1440-2807
Date Deposited: 14 Sep 2009 00:27
FoR Codes: 22 PHILOSOPHY AND RELIGIOUS STUDIES > 2202 History and Philosophy of Specific Fields @ 100%
SEO Codes: 97 EXPANDING KNOWLEDGE > 970102 Expanding Knowledge in the Physical Sciences @ 100%
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