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:

Russell Scientific Instruments Ltd

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:

http://www.fishandfly.co.uk/knots/doubleturl/index.html

and the Knot Directory:

http://www.fishandfly.co.uk/knots/index.html