Object from: British Library on Flickr Commons.
Date: 1884–86 Place: Unknown (Accession num: 1887-2)
So far people have added content in 9 turns about this object.
Headline: The largest sun dial in the world!
Summary: The site contains 14 instruments, including the 'Samrat Yantra (The Supreme Instrument)' which 27 meters tall and the world's largest sundial The shadow moves about 6cm a minute, making the progress of the sun visible along the measurements of the instrument.
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