DOUBLE RING DIAL WITH SANSKRIT LEGENDS
This instrument, used for measuring time, was
possibly made in accordance with a European prototype. Unlike the
sundial mentioned on the previous page, double ring dials were
popular in Europe and can be seen in many museums there.
present specimen has a diameter of 88 mm. There are two rings nested
within one another and these can be stretched apart at the time of
measurement. The suspension can be adjusted according to the
latitude of the place of observation. There is a bridge at the
centre on which the names of the signs of the zodiac are written in
Sanskrit in Devanagari script. The dial is graduated so that
time can be measured in ghatis.
is not known where the double ring dial was produced and when. But
five other specimens are known. These are in New York, Washington,
Italy, London and Delhi (National Museum). The last two are made of