拍品专文
The gnomon, a vertical stone obelisk, was one of the earliest instruments for measuring time and the forerunner of the sundial. The shadow projected to the ground was used for determinating the hour.
A similar watch is illustrated in Le Temps de Cartier by J. Barracca, G. Negretti, F. Nencini, pp. 198 & 199.
A similar watch is illustrated in Le Temps de Cartier by J. Barracca, G. Negretti, F. Nencini, pp. 198 & 199.