S 100
A very rare firecontrolpost.
Still in use as a telecommunication relay.
So, firmly closed.
A part of the steel ring for the distance finder is present.
So is the secondary observation cupola.
Next pageA very rare firecontrolpost.
Still in use as a telecommunication relay.
So, firmly closed.
A part of the steel ring for the distance finder is present.
So is the secondary observation cupola.
Next page