The sight drops through a socket in a pivoted bracket which is provided From Treatise on Service Ordnance.
These coils are placed with their axes at right angles to one another, and at the point where the axes intersect a small pivoted needle of soft iron is placed, carrying a longer index needle moving over a scale.
With that, he pivoted on one heal and walked away.
The gimbals or rings for suspension hinged at right-angles to one another, have been erroneously attributed to Cardan, the proper term being cardine, that is hinged or pivoted.
A circular plate ' made much like the backe parte of an Astrolabe ' with a pivoted alidade, the sights.