The chemical decompositions of the London Pharmacopeia / by Charles Mingay Syder.

  • Syder, Charles Mingay.
Date:
1821
Catalogue details

Licence: Public Domain Mark

Credit: The chemical decompositions of the London Pharmacopeia / by Charles Mingay Syder. Source: Wellcome Collection.

Provider: This material has been provided by The University of Glasgow Library. The original may be consulted at The University of Glasgow Library.

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    sians, and Arabs, had all years of different periods. At length Julius Ceesar observing the confusion occasioned by this variety of reckon- ing, about 45 years before the birth of Christ (it being then computed that nearly 90 days had been lost by the former method of reckoning), directed that these should be taken into the ac- count 3 and the first Julian year was made to consist of 444 days, called Annus Confusionis, the Year of Confusion,, and that afterwards every fourth year should consist of 366 days 5 the other three years of 365 days each, thereby compensating for the odd six hours omitted in each of the three preceding years. This odd day was introduced into their calendar every fourth year, by reckoning the 24th of February twice 3 and as this day, in the old account was the same as the 6th of the calends of March, which had been long celebrated on account of the expulsion of Tarquin,it was called BisSextus Calendas Martii, from which we have derived our Bissextile or Leap Year. This is what is to be understood by the Julian account, or Old B 3