This Subject guide is your starting point for doing research in the most relevant resources in Mechanical Engineering. This include databases, reference materials, citing sources, and workshop programs to assist you with your research.
Full text online version of the well-known encyclopedia; an authoritative multidiscinplinary reference and research resource; includes Britannica's latest article database, articles not found in the print Britannica, Merriam-Webster's Collegiate Dictionary (Tenth Edition), Britannica's Book of the Year, as well as links to other World Wide Web sites selected by Britannica editors.
The OED covers words from across the English-speaking world, from North America to South Africa, from Australia and New Zealand to the Caribbean. It also offers the best in etymological analysis and in listing of variant spellings, and it shows pronunciation using the International Phonetic Alphabet.
Oxford advanced learner's dictionary of current English by 
Rules of thumb for mechanical engineers : a manual of quick, accurate solutions to everyday mechanical engineering problems. by 
Illustrated sourcebook of mechanical components by