Accessible

that which may be approached. We say, in a military stile, that place, or that fortre , is acce ible from the sea, or land, i. e. it may be entered on those sides. An acce ible height or distance, in geometry, is that which may be measured by applying a rule, . to it: or rather, it is a height, the foot whereof may be approached, and from whence any distance may be measured on the ground. Heights, both acce ible, and inacce ible, may be taken with a quadrant. See Altitude ; and the article on Field Fortifications in the American Military Library , Theorem 11, 12, 13, 14, 15. One of the objects of surveying, is the measuring both acce ible and inacce ible distances.