Produced by Viv, Ted Garvin and the Online Distributed Proofreading Team at http://www.pgdp.net [Transcriber's Note:- Words and phrases surrounded by underscores are italicised. There are four symbols which are denoted by :- (.) Circle surrounding a centred dot - Right Ascension of the Meridian; (+) Circle surrounding a cross - Earth's Central Progress; (_) Circle with centre dot and line under - Observed altitude of sun's lower limb; -(-)- Circle with line through - True Altitude. ]…
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