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Picturing Miracles of Plant and Animal Life - Arthur C. Pillsbury
Picturing Miracles of Plant and Animal Life was published in 1937 by J. B. Lippincott Company in Philadelphia. As you read it you realize A.C. was providing instructions on how to build the cameras he had invented.  

Use the Link above to read the book in a larger version.

This was very intentional on his part. He had patented inventions previously, including the mass production real photo postcard machine. But he was determined any inventions of his which extended human vision stay available to anyone who wanted to build them. He called this Knowledge Commons. Today we call it Open Source, along with other names with the same intention.