Deep Work Cards
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Description: Although the artist for this illustration is unknown, the picture comes from the book entitled, "Under the Waves; or, diving in deep waters: a tale," written by Scottish author Robert Michael Ballantyne, and published by James Nisbet and Co., in 1887, in London, England. More about this book and it's author can be found here: http://pdtee.weebly.com/a-diving-tale.html
