Summary
Terrestrial radiation thermometer, made by Negretti & Zambra, London. Range - 20 to + 130 degrees Fahrenheit. Used at Melbourne Observatory.
Physical Description
Overall length 12 3/4 inches. Tube protected by an outer glass sheath; tube filled with rectified spirits of wine, and fitted with a floating index. Divided in single degrees, figured every 10 degrees.
More Information
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Collection Names
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Collecting Areas
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Acquisition Information
Transfer from Melbourne Observatory, 1945
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Maker
Negretti & Zambra, London, Middlesex, England, Great Britain
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User
Melbourne Observatory, South Yarra, Greater Melbourne, Victoria, Australia
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Inscriptions
Tube marked 'NEGRETTI & ZAMBRA, LONDON. 51173. M.O. 51'.
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Type of item
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