This TR-Tester was made by Björn Lundstedt at Fogutek in Sweden in the 50-ies.

The Viskafors factory was closed 1990 after 100 years and was then owned by Trelleborg AB, I had myself started Elastocon AB 1989 and I got the possibility to purchase some laboratory items after that other Trelleborg companies had collected what they could use. I purchased laboratory glassware, an oven, a TR-tester and an old Shore A tester.

The TR-Tester was made by Björn Lundstedt at Fogutek in Sweden in the 50-ies and it is still shown as the illustration in the standard ISO 2921.

I had worked at Firestone-Viskafors between 1966 to 1978 and used this tester.

Now I have the TR tester in the Elastocon museum.

Owner history: Viskafors Gummifabrik AB, Trelleborg AB

Göran Spetz