URLs listed in this category:
18th Century Secrets in Arts, Trades, and Crafts
Details of authentic methods and trade secrets from the 18th century. Detailed information about engraving, metal crafts, glass making, gilding, leather work, making paints, varnish, ink, and colors from natural pigments and painting.
http://www.old-crafts.com/
Engineering Review Online
Get to know about what happening in engineering world.
http://www.engineeringreviewonline.com
