Celestial and Terrestrial Globe, i 63

PROBLEM XXXVI.

To find the latitude of a place, iiiwhich its longest day may be ofany given length between twelveand twenty-four hours,

254. Set the artificial fun to the first pointof Cancer; bring its center to the strongbrass meridian, and set the horary index toXII; turn the globe till it points to half thenumber of the given hours and minutes 5then elevate or depress the pole, till theartificial fun coincides with the horizon, andthat elevation of the pole is the latitude re*quired.

PROBLEM XXXVII.

To find the distance between anytwo places.

255. Lay the graduated edge of the qua-drant of altitude over both places, and thenumber of degrees between them is theirdistance, which li reduced to geographicalmiles, by reckoning 60 to a degree, orMa W