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On The Mercurial Compensation Pendulum
|Catalogue no: 1519|
|Dewey No: 681.1124||Subject(s): Courtenay Ilbert Archive|
|Author(s): Francis Baily, Esq. F.R.S.|
|Total pages: 38||Illustrations: 0||Language(s): English||Publication date: 1824|
|Editor:||Publisher: Astronomical Society of London|
|Dimensions: 295mm x 235mm||Condition: Pages fragile and ragged|
|Related titles:||Related library records:
Pages extracted from this journal and now bound between light red hard covers.
From a paper read by the Author to the Astronomical Society, May 9 and June 13, 1823.
The first section gives a history of the Mercurial Compensated pendulum from the time of George Graham, with details given on studies into the property of mercury since then.
Information given on the construction of such pendulums and quantities of mercury required. Many references made to the work of others in this field. (Reference also made to a Plate to illustrate a Mecurial pendulum but this is regretably missing).
Final three pages consist of charts giving details of "Linear Expansion of Various Substances for one degree of Fahrenheit's Thermometer." Substances listed as follows;
White Deal, Glass, Platina, Iron, Steel, Gold, Copper, Brass, Silver, Pewter, Tin, Lead, Zinc.
|Room location: Library||Cabinet: E||Shelf: 2|
|Search terms: Pendulums, Precision Timekeeping|
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