The original Bullworker consists of two sleeved. Over 9 million units have been sold worldwide. Designed and patented by German inventor Gert F. The Bullworker is an isometric exercise device used for strength training originally marketed and sold in the early 1960s. I have a vintage ad from 1979 for your entertainment but you do not get the ad only the Bullworker. There are some pits and yellow on the plastic covers that have close up shots for your inspection. it works great and is still hard to compress it. it has increments of 60 to 175 on the clear measure stick. Musclometre, kraftaufwand" no where does it have bullworker on the machine. more Spain other patents Pending" on the clear plastic scale it has: powermeter. This is what is marked on the green handles: Patented in Great Britain Sweden France Germany. ![]() This is an EARLY Bullworker and IS NOT branded as a BULLWORKER.
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