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"Elementary Steps to Geography and Astronomy" by Ingram Cobbin - 1838

Here is a little astronomy and geography book with a volvelle for the frontispiece. I can't resist books with volvelles. The book's title is "Elementary Steps to Geography and Astronomy", which was published by Ingram Cobbin in 1838 (3rd edition). The volvelle is designed to show the reader the local times for various cities around the world when they set the time for a specific city. The primary emphasis of this book is instructing the reader on the cause of the seasons, motion of the sun through the ecliptic, and determining latitude and longitude on the earth.