His treatise "Della maniera di difendere gli edificii dal fulmine" (1772) and his pamphlet "Dei conduttori metallici a preservazione degli edifici dal fulmine" (1774) contributed largely to remove the popular prejudices of the time against the use of the "Franklinian rod"; and through his exertions lightning-conductors were placed on Siena Cathedral, on the tower of St. Mark's, Venice, on powder magazines, and ships of the Venetian navy.
The library of Pope Julius II in the Vatican has images of sibyls and they are in the pavement of the Siena Cathedral.
The Siena Cathedral Pulpit is an octagonal structure in Siena Cathedral sculpted by Nicola Pisano and his assistants Arnolfo di Cambio, Lapo di Ricevuto, and Nicolas' son Giovanni Pisano between the fall of 1265 and the fall of 1268.
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Giovanni di Cecco is known for his work on the facade of Siena Cathedral, which was begun by Giovanni Pisano, worked on by several architects and had stalled by 1317.