A Thousand Words
Jost Bürgi & Hans Jacob Emck's Equation Clock
by Mary Elizabeth Podles
According to modern schemes of classification, scientific instruments and works of art (with the possible exception of fine Swiss watches) exist in separate worlds. Such a sharp line did not always divide them: Jost Bürgi's astronomical clock from 1591 was both a cutting-edge technological achievement and an esthetic object with an artistic program that imbued it with further meaning. It was a collaboration between a clockmaker, a goldsmith, an astronomer, and, . . .