Forms for the ready calculation of the longitude ... with the tables publ. by J. de Mendoza Rios
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24 to mean altitudes and distance Altitudes of Limb Apparent altitudes argum C's horizontal parallax C's horizontal semidiameter Compl corr Corrected distance True Correction for rate Correction of altitude cosec cosine declination O's semidiameter Diff dist without seconds distance at Greenwich distance O's altitude distance True distance Error Estimated feet T. I. horizon for feet Interval between observations Interval by watch Longitude by account Lparts for sec mean altitude mean dist mean distance Nautical Almanac nearest minute number of observations O's altitude Sum O's polar distance O's semidiameter C's O's semidiameter Means O's semidiameter Naut observations App parall polar distance O's Prop quadrant rate of watch Reserved seconds seconds of dist semidiameter C's horizontal semidiameter Means dividing Ship by account ship O's polar ship to mean sine sum Half sum Sum of app True altitude True distance sum versed VIII watch Interval