Product Description
Inscribed by Hale to George Mitchell, Esq.
on the front flyleaf.
An American solar astronomer, Hale (1868-1938) is best known for his discovery of magnetic fields in sunspots, and as the leader of key figure in the planning or construction of several world-leading telescopes; namely, the 40-inch refracting telescope at Yerkes Observatory, the 60-inch Hale reflecting telescope at Mount Wilson Observatory, the 100-inch Hooker reflecting telescope at Mount Wilson, and the 200-inch Hale reflecting telescope at Palomar Observatory.
In this book, he writes "on the possibilities of large telescopes; on the many problems involved in building a telescope which has a 200-inch mirror; on the radiant drama constantly in progress in the sun's atmosphere; on how explosions in the sun may alter the magnetic field of the earth, cause auroras, and affect radio transmissions.
" Small octavo.
Original blue cloth binding, with gilt titles.
The spine is leaning just a touch, with a bit of rubbing along the bottom edge of the boards.
In the uncommon dust jacket, which is lightly worn with the publication date handwritten on the front panel; otherwise very good.
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