Paper, 'A demonstration of the rule, for finding the year of the Julian period' by John Collins
Reference number: CLP/16/8
Date: 12 December 1667
Description
Collins presents a method for finding the year of the Julian period which involves multiplying the solar cycle by 4845, the lunar cycle by 4200 and the indiction by 6916 before dividing the sum of the products by 7980, 'which is the Julian period, the remainder of the division without having regard to the quotient, shall be the yeare inquired after.'
Subject: Calendar
- Reference number
- CLP/16/8
- Earliest possible date
- 12 December 1667
- Physical description
- Ink on paper
- Page extent
- 14 pages
- Format
- Manuscript
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Citation
John Collins, Paper, 'A demonstration of the rule, for finding the year of the Julian period' by John Collins, 12 December 1667, CLP/16/8, The Royal Society Archives, London, https://makingscience.royalsociety.org/items/clp_16_8/paper-a-demonstration-of-the-rule-for-finding-the-year-of-the-julian-period-by-john-collins, accessed on 11 October 2024
Link to this record
https://makingscience.royalsociety.org/items/clp_16_8/paper-a-demonstration-of-the-rule-for-finding-the-year-of-the-julian-period-by-john-collins
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Hierarchy
This item is part of:
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Classified papers: volume 16 concerning 'Grammar, Chronology, History, Antiquities'
1657; 1676-1740 Reference number: CLP/16
Related Fellows
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John Collins
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Classified Papers
Dates: 1592-1741
The 'Classified Papers' of the Royal Society are papers from British and international natural philosophers and scholars categorised according to subject areas.View collection