Signed by Erasmus Habermel
circa 1585; German
Gilt brass and copper; 195 mm in diameter
This instrument is engraved by Paduanius of Forli in Italy, a physician for whom Erasmus Habermel made some 28 instruments between 1585 and 1586. Among the patients of Paduanius was Rudolf II, for whom Habermel would act as instrument maker in Prague.
Museum of the History of Science, Oxford