| Reference number | CLP/16/8 |
| Level | Item |
| Title | Paper, 'A demonstration of the rule, for finding the year of the Julian period' by John Collins |
| 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 |
| Language | English |
| Extent | 14p |
| Format | Manuscript |
| Physical description | Ink on paper |
| Access status | Open |
Fellows associated with this archive
| Code | Name | Dates |
| NA2898 | Collins; John (1625 - 1683); mathematician and scientific administrator | 1625 - 1683 |