What people are saying - Write a review
We haven't found any reviews in the usual places.
OF THE THIRD VOLUME
To find the meridian of any place ibid
To find what oclock it is at any place of
51 other sections not shown
Other editions - View all
according added angle appear arch Asia astronomers axis called centre circle consequently constructed contains corresponding course describe determine dial diameter difference direction distance divided division draw drawn earth easily east eclipse employed England equal equator evident example feet fire fixed four France give given globe greater half height horizontal hour-lines indicate Italy kind known latitude length less letter London longitude manner March marked means meridian method miles minutes month moon moon partial morn motion nearly necessary noon observed ounces parallel passing period perpendicular piece plane pole position pounds present PROBLEM produce proposed radius regard remainder REMARK represent rest rocket seen shadow shew side signs solar square stars style subtracted sun's suppose surface turned vertical vessel whole wind