Pretty cool quick visual reference: History of war uniforms in one image, - also look at the weapons- 500 yrs to develop a gun & then they just become more powerful with each passing century.
Brush Tutorial - Basics about different kind of fibers, where to use which, and how to maintain your brushes. (The one part of painting I absolutely hate is taking care of brushes!
By Henry C. Mercer Classic reference describes in detail hundreds of implements in use in the American colonies in the century. Over 250 illustrations depict tools identical in construction to an