Official Catalogue
Author: United States. Centennial Commission
Publisher:
Published: 1876
Total Pages: 828
ISBN-13:
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Author: United States. Centennial Commission
Publisher:
Published: 1876
Total Pages: 828
ISBN-13:
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Publisher:
Published: 1917
Total Pages: 1144
ISBN-13:
DOWNLOAD EBOOKAuthor: Walter Buehr
Publisher: Colchis Books
Published:
Total Pages: 57
ISBN-13:
DOWNLOAD EBOOKThis book is about the story of modern machines, and how they do the world’s work. We shall see how raw materials, such as metals, wool and cotton fibers, and wood, are turned into automobiles, ships, typewriters, fabrics, and other useful products. Our machine age has made this possible, for only by machines can these many products be made cheaply and quickly. We shall also see how machines are able to do such varied jobs as threshing grain, machining engine blocks, or multiplying long rows of numbers. And later on, we shall learn how automation, the newest marvel of the machine age, teaches machines almost to “think” for themselves.
Author:
Publisher:
Published: 1922
Total Pages: 1526
ISBN-13:
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Publisher:
Published: 1926
Total Pages: 1072
ISBN-13:
DOWNLOAD EBOOKAuthor:
Publisher:
Published: 1917
Total Pages: 524
ISBN-13:
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