Spirit level

摘要

A spirit level which includes an elongated frame with one or more vial receiving openings therein. A liquid-containing spirit level vial extends at least partially across each of the openings. A transparent sight plate is removably extended at least partially across each of the openings. Structure is provided for limiting the movement of the respective sight plate in the respective opening toward the spirit level vial located therein, and a gasket is positioned in the opening over the sight plate to retain the sight plate against movement away from the spirit level vial. The gasket is removably retained in its described position, and can be removed to permit the sight glass to be extricated to permit access to be easily had to the respective spirit level vial.