Edwin Hubble * Mariner of the Nebulae 1st Edition F*S HERMES 3000 Platen knob All keys are working perfectly

All keys are working perfectly and a brand new black/red silk ribbon installed is freshly installed

Aperture: stops f/2

I was so broke that I bought 33-1/3 ft rolls of Tri-X and loaded these cassettes myself

In 1923 Edwin Hubble confirmed the existence of other galaxies

Edwin Hubble * Mariner of the Nebulae 1st Edition F*S HERMES 3000 Platen knob All keys are working perfectlyIn 1923 Edwin Hubble confirmed the existence of other galaxies. By the end of the decade, he proved that the universe is expanding, thus laying the very cornerstone of the big bang theory. A revealing portrait of a scientific genius at work, this book also offers an incisive narrative of the history of astronomy and an evocation of what we see when gazing at the stars. This biography of the famous astronomer reveals the man who offered observational