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Directions for using the gold standard balance, invented by Benjamin Dearborn, of Boston, Massachusetts
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The patent balance compared with other instuments for weighing
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A description of the vibrating steelyard, or just balance
Invented by the subscriber, and secured to him by patent. This convenient and accurate steelyard, unites more advantages for weighing with ease, dispatch, and certainty, than any instrument heretofore offered to the public; as may be seen by the following comparative view of the common steelyard and scales, and the vibrating steelyard -
10000 Jahre Waage
aus der Entwicklungsgeschichte der Wägetechnik