It is in bronze, in excellent preservation, and the gnomon so perforated as to form the cypher I. C. seen either way.
"John Keble's Parishes"
Charlotte M Yonge
That small difference proves that they endeavoured to determine, with the utmost attainable correctness, the day on which the luminary passed the most culminating point of our sphere, and that they were not ignorant of the use of the gnomon in the most tempestuous days of the rainy season.
"Incidents of Travel in Yucatan, Vol. I."
John L. Stephens
"Yes," said his father; "I think that will do; you have got quite a respectable gnomon."
"Rollo's Experiments"
Jacob Abbott