Credits

We would like to extend our gratitude to the following people who have been closely involved in the development of many of our best selling tools.

• D. Springett - England
• T. Rinehart - U.S.A.
• C. Bagby - U.S.A
• A. Beecham - England
• L. Lee - Canada
• G. Chinn - U.S.A.
• D. Ellsworth - U.S.A.
• L. Lindholm - Finland
• A. Harrison - Wales
• B. Latven - U.S.A.
• R. Warren Finding - England
• B. Jones - England
• P. Trehin - France