Caitlin. 24. Occupation: figuring it out. Currently writing a novel. Owns a cat and three dogs.
HALF MY LIFE IS AN ACT OF REVISION
John Irving

Astrolabe

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