The Story of Helium and the Birth of Astrophysics by Biman B. Nath

The Story of Helium and the Birth of Astrophysics by Biman B. Nath

Author:Biman B. Nath
Language: eng
Format: epub, pdf
Publisher: Springer New York, New York, NY


Footnotes

1John Keay, The Great Arc: The Dramatic Tale of how India was Mapped and Everest Was Named (HarperCollins: 2000).

2James F. Tennant, Monthly Notices of the Royal Astronomical Society, Vol. 17 (1856), 32.

3Tennant wrote in his 1856 paper: ‘I propose… a shallow reservoir for oil, having a narrow cylindrical tube rising out of it, in which works a piston urged by a weight. The reservoir is to be open downwards, by which pressure will be transmitted by the oil… and the same pressure will assist in lubrication. We may then make this pressure relieve any amount of weight within the limits I shall point out…’ These are probably the first recorded proposal for hydraulic weight relief in telescopes.



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