Nocturlabe in boxwood and brass, the wheels maintained by a central nut presenting an annual calendar divided into months and days, an hour disc and a mobile alidade, the back engraved with a compass rose.The grip is openwork with a heart inscribed "Both Bears" for the Big and Little Dipper.England, circa 1700.Height without the alidade : 21,5 cm - Height in total : 26 cmNocturnal (sometimes called a ""horologium nocturnum" - time instrument for the night)  in boxwood and brass, the wheels held ...        
        
            
    $15.000
        
        
            
            
                Maker : COOPER, Th.                
                Place : England, Thomas Cooper                
                Date : dated 1701