The art of dialling : performed geometrically ... arthmetically ... instrumentally ... (1700)
Leybourn, William, 1626-1716 · London : T. Braddyll · leaf 28
g Figure by the Line (which reprefents a great Circle^ H Q^O, leparating the vifible Hemilphere H Z O, which we fee 3 from the invifible part thereof H N O, which we lee not. II. 0/ the Meridian. The Meridian is a Great Circle of the Sphere which paf- feth by the Poles of the World, and through the… … ly over your head, in be. And, The
![An illustration from Astronomia nova aitiologetos [romanized] sev, Physica coelestis : tradita commentariis de motibvs stellae Martis, ex observationibus G.V. Tychonis Brahe : jussu & sumptibus Rvdolphi II. romanorvm imperatoris &c. : plurium annorum pertinaci studio elaborata Pragae ... (1609)](https://img.insideoutlibrary.com/img/200/ia-astronomianovaai00kepl-160-0.webp)
