The Machinery's Handbook, 30th Edition, CD-ROM contains the complete contents of the print edition, presented in Adobe PDF format. This popular and well-known format allows viewing and printing of pages that are identical to those of the printed book, includes the ability to magnify the view of any page, and permits rapid searching of the entire Machinery’s Handbook. Navigation aids in the form of thousands of clickable bookmarks, page cross references, and index entries take you quickly to any page referenced.             In addition to the full print edition, the Machinery’s Handbook CD-ROM also includes almost 1,000 pages of additional data, mostly material that was published in previous print editions but subsequently removed due to space restrictions. This includes additional indexes of the entire content, expanded tables of popular content, original material on many topics from previous print editions, and the entire contents of the companion book Machinery’s Handbook, 30th Edition, Guide.Note: The CD-ROM Upgrade is a complete version of Machinery’s Handbook 30 CD that is offered only to registered owners of a previous edition Machinery’s Handbook CD-ROM. Owners of CD-ROM editions 25, 26, 27, 28, and 29 are eligible to upgrade to the Machinery’s Handbook 30 CD-ROM at a substantial discount. Proof of ownership of a previous CD version requires that a valid previous-edition CD registration number be entered during program installation of the upgrade product.