a hand compass equipped with sights and prisms to permit aiming the instrument at a point and at the same time reading the compass direction of the point.
[ 1850-55 ]
a hand compass equipped with sights and prisms to permit aiming the instrument at a point and at the same time reading the compass direction of the point.
[ 1850-55 ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012