細節
A FRENCH BRONZE AND MARBLE NOON-CANNON SUN-DIAL
MID-19TH CENTURY
The marble base inscibed 'MAISON DE L'INGR. CHEVALIER OPTN. PLACE DU PONT-NEUF. 15. PARIS', supporting a lens on a brass frame calibrated for the relevant month, a cannon and a gnomen
Base -- 10¾ in. (27 cm.) diameter; height 9 in. (23 cm.)