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Marmaduke Valentine Smith
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8793. Smith, M. V. May 12. Calendars; calculating-apparatus.-The apparatus is for calculating dates or the number of days between dates, and consists of a ring C revolving in a fixed portion B and having an index D. The fixed portion B is divided into months and subdivided into days, December, however, being reckoned as having 30 days. This allows the ring C to be divided into 52 weeks exactly, and subdivided into 364 days. In all calculations extending from one year to the next one day is added ; also a day is added for leap years when the 29th Feb. is included in the period considered.
GB190008793D1900-05-121900-05-12Improved Date Calculator.
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Sumerian Administrative Documents, dated in the Reigns of the Second Dynasty of Ur, from the Temple Archives of Nippur preserved in Philadelphia. By David W. Myhrman, Docent of Semitic Languages at the University of Uppsala.(Vol. Ill, Part I, of the Babylonian Expedition of the University of Pennsylvania. Series A: Cuneiform Texts, edited by HV Hilprecht.)“Eckley Brinton Coxe, Junior, Fund.” Philadelphia: published by the Department of Archaeology, University of Pennsylvania, 1910.