{"title":"Observational Methods and Procedures for the Mariner's Astrolabe","authors":"Nicolàs de Hilster","doi":"10.1080/00253359.2014.935141","DOIUrl":null,"url":null,"abstract":"The practical assessment of the accuracy of the mariner's astrolabe has been the subject of discussion in The Mariner's Mirror. This article gives further insight on this topic, based on period knowledge and statistical analysis of period and modern data. In addition, reference to more modern studies on this topic is given in an attempt to complete the list previously presented. It will not explore the influence of period tables for refraction and declination and the influence of longitude on the latter as these factors only affect the calculated latitudes, not the observations themselves.","PeriodicalId":44123,"journal":{"name":"MARINERS MIRROR","volume":null,"pages":null},"PeriodicalIF":0.1000,"publicationDate":"2014-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/00253359.2014.935141","citationCount":"2","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"MARINERS MIRROR","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1080/00253359.2014.935141","RegionNum":4,"RegionCategory":"历史学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"HISTORY","Score":null,"Total":0}
引用次数: 2
Abstract
The practical assessment of the accuracy of the mariner's astrolabe has been the subject of discussion in The Mariner's Mirror. This article gives further insight on this topic, based on period knowledge and statistical analysis of period and modern data. In addition, reference to more modern studies on this topic is given in an attempt to complete the list previously presented. It will not explore the influence of period tables for refraction and declination and the influence of longitude on the latter as these factors only affect the calculated latitudes, not the observations themselves.
期刊介绍：
The Society’s quarterly journal, The Mariner"s Mirror, is internationally recognised as the pre-eminent English-language journal on naval and maritime history, nautical archaeology and all aspects of seafaring and lore of the sea. It covers a wide range of history, from Bronze Age ships to nuclear submarines, and nautical matters such as hydography, navigation and naval logistics. The Mariner’s Mirror has an extensive book review section. Its notes and queries sections and correspondence pages provide a channel for a lively exchange between members.
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