A mathematical manual: or, delightful associate ... Published for the contemplation and diversion of gentlemen, and others, who are mathematically inclined / By E. Hatton, gent.

Edward Hatton

Date:: 1728

Credit: A mathematical manual: or, delightful associate ... Published for the contemplation and diversion of gentlemen, and others, who are mathematically inclined / By E. Hatton, gent. Source: Wellcome Collection.

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$Then bring the Sun's Place to the Meridian, and the Degrees then cut by the Meridian in the Equinoctial from the firft Point of Aries ^ is the Anfwer. . . ]■ V- « « vlvi C. \ • \ ■ ; , .■ • •> * 1 • - Example. What is the Right Afcenfion of the Suny May 28 ? j, - 1 L * .. i i. l A } / s. • , 4 v Ji* w - i V . The Suns Place found, as before, is 17 De¬ grees of Gemini, which bring to the Meridian, and there will then be from the firft Point of Aries to the Meridian in the Equinoctial 76 De* gfeCs, equal to the Anfwer. In like manner, A . v* .. -J‘ • .• '• ...a. s,. '* • v Sun’s Place. Right Afcenfion. o' o » fan. 1, 21 46 of VS 293 10 Apr. 1. 22 20 T , 20 40 Nov. 4. 22 46 ttl 230 3° Dec. 25. 14 So VS 2S6 00 P R O B. IV. Ho find the Suns Declination. THE Day of the Month given, find the Sun's Place for that Day, as before, then bring it to the Meridian, and the Degrees there between the Sun's Place and the Equi* noCtial is the Declination required. Thus,$