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OverviewPlease note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Frederick Ellsworth Sickels or Sickles was an American inventor, best known for the invention of a cut-off valve for steam engines in 1841. Sickels grew up in New York City, where his father was Chief Health Officer. After having worked for a year for the Harlem Railroad, he apprenticed at the age of 17 at the Allaire shops, where he developed a new type of steam cut-off valve for steam engines. He had perfected his invention by 1841, and obtained a patent on it on March 20, 1842. Full Product DetailsAuthor: Zheng CirinoPublisher: CIV Imprint: CIV Dimensions: Width: 15.20cm , Height: 0.40cm , Length: 22.90cm Weight: 0.113kg ISBN: 9786138250432ISBN 10: 6138250435 Pages: 68 Publication Date: 07 November 2011 Audience: General/trade , General Format: Paperback Publisher's Status: Unknown Availability: Not yet available  This item is yet to be released. You can pre-order this item and we will dispatch it to you upon its release. Table of ContentsReviewsAuthor InformationTab Content 6Author Website:Countries AvailableAll regions |
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