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- Weighing-Scale.
- Patent for a weighing-scale that is "of simple and improved construction which will instantly determine and indicate the weight of the article placed thereon" (lines 13-16). The scale uses revolving disks that have a chain around them which moves a lever to indicate the weight of the object being weighed. The object being weighed sits on a pan that is suspended by the same chains that hold the revolving disks in place.