SECO/WARWICK Corp. (Meadville, Pa.) published the 9th Edition of its Heat Treating Data Book, complete with updated tables and a new format. As manufacturing improves products and processes, SECO/WARWICK continues to update and improve this book, which can fit into a shirt pocket. Customers can receive one copy of the book free on request. Additional books may be purchased for $2 each.www.secowarwick.comInfo # 242