The sight drops through a socket in a pivoted bracket which is provided From Treatise on Service Ordnance.
With that, he pivoted on one heal and walked away.
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.
The square piece of aluminium is pivoted round a horizontal stretched wire.
In the other gap are pivoted two coils wound on an iron core and connected at nearly a right angle to each other.