and in North America and Europe in 1999. The Dreamcast was the first console in the sixth console generation, which also gave us the PS2, Xbox, and GameCube—though the Dreamcast didn't live long enough to compete with the latter two consoles. ...
In the picture with 3 old screws, the screw on the left (A) was handmade in the late 18th century. Note the flat spot on the shaft, the irregular threads, blunt tip and the off center slot. The screw in the center (B) is machine made around 1830. It has sharp, even threads, a...