Observing a solar eclipse, 1673. Johannes Hevelius

Observing a solar eclipse, 1673. Johannes Hevelius (1611-1687), a wealthy Polish brewer and councillor of Danzig devoted much time and money to astronomy. Hevelius, left, and an assistant, studying the sun during a partial eclipse. As viewing the sun directly would have damaged their eyes, they are in a darkened room and the sun's image is being projected through a telescope onto a piece of white paper. From Machina Coelestis by Johannes Hevelius. (Danzig, 1673)

1673 Brewer Coelestis Councillor Danzig Darkened Devoted Directly Eclipse Hevelius Johannes Machina Onto Optics Partial Projected Solar Studying Telescope Viewing Wealthy

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