Giroteodolito for acimutal surveys referred to the geographic north (Machine-translation by Google Translate, not legally binding)

摘要

Giroteodolite for azimuthal surveys referred to the geographical north, comprising a theodolite coupled to a gyroscope, characterized by the fact that the gyro is two degrees of freedom, with axis of rotation of its rolling vertically arranged in a suspended casing pendularly and that is provided a lifting circuit comprising an index and a counter-index, respectively, carried by said casing suspended pendulously and containing the gyro and by a second pendulum having elastic characteristics perfectly equal to those of the pendular suspension of the casing containing the gyro , the housing containing the gyro and the second pendulum being contained in a box supported by a base, in a rotatable and lockable form, around its vertical axis. (Machine-translation by Google Translate, not legally binding)