A radiation shadow indicator, having a slight tube for sighting shadow-casting objects along a sighting axis, is described. The indicator includes a system of gimbals mounting the tube for angular movement so that the sighting axis thereof may be caused to follow the apparent diurnal movement of celestial objects at various seasons of the year. Position indicators are provided for instantaneous readout of angular positions of the gimbal device which, in turn, correspond to positions of the sighting axis at given seansons and/or times of day in relation to the location of the indicator on the surface of the earth.
Radiation Shadow Indicator
1978
8 pages
Report
No indication
English
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