http://www.articleheaven.net en-us editorial@articlealley.com In addition, in excess of the very last four decades, I have been concerned in artwork investment, mainly 18th and 19th century American and European antiques and paintings. In the early 1990's, I had a fairly massive collection, so I purchased an 18th ce... http://www.articleheaven.net/aluminum-investment-casting-a-production-process-for-the-ages-2281076.html 15th June 2011