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OverviewPlease note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Datenails were tagging devices utilized by railroads to visually identify the age of a railroad tie. Different railroads used different sized nails with either alpha or numerical markings. An example would be a Southern Pacific Railroad nail with the marking 01 stamped on the head of the nail. The 01 would identify the nail as being hammered into a railroad tie in the year 1901. Datenail use has dropped dramatically since the mid-20th century and the advent of more modern maintenance of way equipment. Full Product DetailsAuthor: Aaron Philippe TollPublisher: Ceed Publishing Imprint: Ceed Publishing Dimensions: Width: 15.20cm , Height: 0.40cm , Length: 22.90cm Weight: 0.118kg ISBN: 9786137713006ISBN 10: 6137713008 Pages: 72 Publication Date: 20 October 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 |