These illustrations to the left show orthographic views of industrial thermometers. Clicking on them will take you to a higher resolution version of the illustrations.
For further examples please go to:
These illustrations to the left show how to tie the Double Turle Knot onto a hook in order of 1 - 4.
Click on 4 to see a higher resolution version of the illustration.
For further examples of this and other knots:
and the Knot Directory: