English: Unnat: elevated, Amsa: division, degree of arc
Unnatamsa is an instrument for measuring altitude - the angular height of an object in the sky.
The large graduated brass circle hung from the supporting beam is the measuring instrument of the Unnatamsa. The brass circle is pivoted to rotate freely around a vertical axis.
to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.