LIVELLA AD ACQUA, ITALIA ROMA, 1810 CIRCA Lot n° 381

brass frame, two glass glasses placed on the sides and screwed to the brass body, fitted with brass protective cover, the level bears the signature 'E. Calzone Roma'. Fitted with period turned wooden frame. L. cm 104, W. cm 19, H. cm 86 Oxidation, color loss Oxidation, color loss. A WATER LEVEL, ITALY ROME CIRCA 1810 The water level is based on the principle of communicating vessels, it è consists of two glasses placed at either end in communication with each other by means of a communicating tube, where they were filled with water. This spirit level was used with aim for mobile purposes and for distances not exceeding thirty meters, with an error of about 3 cm