nience ſhall direct, and taking the leaſt Diſtances from thoſe

, Eaſt aud moſt uprig hi Dale. 1

Hour-Points to the Thred; and ſo pricking chem on ffem Ato 6, to 5, 4 3, Cc. as Was before mentioned in the firſt Noteupon che former Propoſition. Or if chey be too little they maybe doubled,& c, as is there exprefled.

i een e 2. Note further,18. a 2 that what is here done2 A full het& for deſeribing theſe Eaſt— upright Dial. 5 and Weſt Dials, may5& be applied to the Di-Sr een rect Polar Plane. On-Y remember that youare not tied(if thePolar) to make theHours to any ſet An-gle wich the Line BA, but they are beſtat right Angles; forthen the Line AB maybe taken for, and pla-ced as the HorizontalLine of the ſaid Plane;all the Hours lying asvertical Lines unto it.And alſo the Line of6 here muſt be taken(in the Direct Polar)for the Line of 12, andthe reſt of the Hoursare to be drawn alikeon both ſides 12: no-thing in ſubſtance dif-fering from theſe Eaſt

and Weſt Planes.

5

XXI. I.