A tutor to astronomie and geographie, or, An easie and speedy way to know the use of both the globes, coelestial and terrestrial in six books : the first teaching the rudiments of astronomy and geography, the 2. shewing by the globes the solution of astronomical & geographical probl., the 3. shewing by the globes the solution of problems in navigation, the 4. shewing by the globes the solution of astrological problemes, the 5. shewing by the globes the solution of gnomonical problemes, the 6. shewing by the globes the solution of of [sic] spherical triangles : more fully and amply then hath ever been set forth either by Gemma Frisius, Metius, Hues, Wright, Blaew, or any others that have taught the use of the globes : and that so plainly and methodically that the meanest capacity may at first reading apprehend it, and with a little practise grow expert in these divine sciences / by Joseph Moxon ; whereunto is added Antient poetical stories of the stars, shewing reasons why the several shapes and forms are pictured on the coelestial globe, collected from Dr. Hood ; as also a Discourse of the antiquity, progress and augmentation of astronomie.

PROB. XXXIII.

To find the Distance between any two Places, on the Ter∣restrial Globe.

THis may be performed either with the Quadrant of Al∣titude, or with a pair of Compasses: with the Qua∣drant of Altitude, 〈◊〉〈◊〉: Lay the lower end thereof to one Place, and see what degree reaches the other Place, for

that is the number of degrees between the two Places. If you multiply that number of Degrees by 60 the Product shall be the number of English Miles between the two Places.

Example.

I would know the distance between London and the most Easterly point of Jama••ca; I lay the lower end of the Quadrant of Altitude to Jamaica, and extending the other end towards London, I find 68½. deg. comprehended between them: Therefore I say 68½ is the number of degrees comprehended between Lon∣don and Jamaica.

If you would find the Distance between them with your Compasses, you must pitch one foot of your Compasses in the East point of Jamaica, and open your Compasses till the other foot reach London; and keeping your Compasses at that Di∣stance apply the feet to the Equinoctial line, and you wil find 68½ degree comprehended between them: as before.

If you multiply 68½. by 60, is it gives 4110. English miles.

If you multiply it by 20, it gives 1370. English Leagues.

If you multiply it by 17½, it gives 1199. Spanish Leagues.

If you multiply it by 15, it gives 1054 Dutch Leagues.