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Family background: father worked for company which advertised in AMERICAN MACHINIST; John A. Hill as editor of LOCOMOTIVE ENGINEER; first editor of MACHINERY, 1894; recollections of John A. Hill; McGraw-Hill merger.
Discover the secrets of the machine shop with this practical and informative guide. Fred Herbert Colvin provides clear explanations and detailed diagrams that will help you understand the inner workings of machines and engines, and improve your own mechanical skills. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
John Roper, Sr. (b.ca.1588) and his family emigrated from England to Dedham, Massachusetts in 1637, where he died soon after 1664. Descendants lived in New England, New York, Pennsylvania, Ohio, Illinois, Minnesota, South Dakota and elsewhere. Some descendants and relatives lived in Nova Scotia, Québec and elsewhere in Canada. Includes ancestors in England to about 1300.
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